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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">As filed with the Securities and Exchange Commission
on May 8, 2025.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right">Registration No. 333-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>UNITED STATES SECURITIES AND EXCHANGE COMMISSION</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Washington, DC 20549</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 14pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>FORM&nbsp;S-8</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>REGISTRATION STATEMENT UNDER THE</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="text-transform: uppercase"><B>Securities
Act of 1933</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 14pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>DIGI INTERNATIONAL INC.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Exact name of Registrant as specified in its charter)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="border-bottom: black 1pt solid; text-align: center; width: 49%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Delaware</B></FONT></TD>
    <TD STYLE="text-align: center; width: 2%">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; text-align: center; width: 49%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>41-1532464</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(State or other jurisdiction of incorporation or organization)</FONT></TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(I.R.S. Employer Identification No.)</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD STYLE="text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="border-bottom: black 1pt solid; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>9350 Excelsior Blvd., Suite&nbsp;700<BR>
Hopkins, Minnesota</B></FONT></TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>55343</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(Address of principal executive offices)</FONT></TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(Zip Code)</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>DIGI INTERNATIONAL INC.<BR>
2021 OMNIBUS INCENTIVE PLAN</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Full title of the plan)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>James J. Loch</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Executive Vice President, Chief Financial Officer
and Treasurer</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Digi International Inc.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>9350 Excelsior Blvd., Suite&nbsp;700</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Hopkins, Minnesota 55343</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Name and address of agent for service)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>(952) 912-3444</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Telephone number, including area code, of agent
for service)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Indicate by check mark whether the registrant is a large accelerated
filer, an accelerated filer, a non-accelerated filer, smaller reporting company, or an emerging growth company. See the definitions of
 &ldquo;large accelerated filer,&rdquo; &ldquo;accelerated filer,&rdquo; &ldquo;smaller reporting company,&rdquo; and &ldquo;emerging growth
company&rdquo; in Rule&nbsp;12b-2 of the Exchange Act.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Large
accelerated filer </FONT><FONT STYLE="font-family: Wingdings">&#120;</FONT> Accelerated filer <FONT STYLE="font-family: Wingdings">&#168;</FONT>
Non-accelerated filer <FONT STYLE="font-family: Wingdings">&#168;</FONT> Smaller reporting company <FONT STYLE="font-family: Wingdings">&#168;</FONT> &#8239;Emerging growth company <FONT STYLE="font-family: Wingdings">&#168;</FONT></P>

<P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">If
an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying
with any new or revised financial accounting standards provided pursuant to Section&nbsp;7(a)(2)(B)&nbsp;of the Securities Act. </FONT><FONT STYLE="font-family: Wingdings">&#168;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>DIGI INTERNATIONAL INC.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>EXPLANATORY NOTE</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">On February&nbsp;3, 2025 (the
 &ldquo;<U>Effective Date</U>&rdquo;), the stockholders of Digi International Inc. (the &ldquo;<U>Company</U>&rdquo;) approved the amendment
and restatement of the Company&rsquo;s 2021 Omnibus Incentive Plan (as amended and restated, the &ldquo;<U>Amended Plan</U>&rdquo;), which
increased the number of shares available for issuance pursuant to awards under the Amended Plan by an additional two million shares and
extended the expiration date so that the term of the plan runs for ten years from the Effective Date. As provided in the Amended Plan,
5,500,000 shares of common stock, par value $.01 per share (&ldquo;<U>Common Stock</U>&rdquo;), are available for issuance under the Amended
Plan. In addition, the number of shares of Common Stock available for issuance under the Amended Plan will be increased by the number
of shares subject to awards that expire, are forfeited, are cancelled, are returned, or are settled in cash (made under the Amended Plan
or that were outstanding under the Company&rsquo;s 2020 Omnibus Incentive Plan, as approved January&nbsp;29, 2020 (the &ldquo;<U>2020
Plan</U>&rdquo;), the Company&rsquo;s 2019 Omnibus Incentive Plan, as approved February&nbsp;4, 2019 (the &ldquo;<U>2019 Plan</U>&rdquo;),
the Company&rsquo;s 2018 Omnibus Incentive Plan, as approved January&nbsp;29, 2018 (the &ldquo;<U>2018 Plan</U>&rdquo;), the Company&rsquo;s
2017 Omnibus Incentive Plan, as approved January&nbsp;30, 2017 (the &ldquo;<U>2017 Plan</U>&rdquo;), the Company&rsquo;s 2016 Omnibus
Incentive Plan, as approved February&nbsp;1, 2016 (the &ldquo;<U>2016 Plan</U>&rdquo;), the Company&rsquo;s 2014 Omnibus Incentive Plan,
as approved January&nbsp;27, 2014 (the &ldquo;<U>2014&nbsp;Plan</U>&rdquo;), the Company&rsquo;s 2013 Omnibus Stock Plan, as approved
January&nbsp;28, 2013 (the &ldquo;<U>2013 Plan</U>&rdquo;), or the Company&rsquo;s 2000 Omnibus Stock Plan, as amended and restated December&nbsp;4,
2009 (the &ldquo;<U>2000 Plan</U>&rdquo;, and together with the 2020 Plan, the 2019 Plan, the 2018 Plan, the 2017 Plan, the 2016 Plan,
the 2014 Plan and the 2013 Plan, the &ldquo;<U>Prior Plans</U>&rdquo;)) that expire, are forfeited, or are settled in cash.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">Pursuant to General Instruction
E of Form&nbsp;S-8 under the Act, this Registration Statement is filed to register the 2,000,000 additional shares of Common Stock being
registered for the first time pursuant to the Amended Plan. <FONT STYLE="background-color: white">The Company previously registered 3,500,000
shares of Common Stock for issuance under the </FONT>Company&rsquo;s 2021 Omnibus Incentive Plan <FONT STYLE="background-color: white">pursuant
to Registration Statements on&nbsp;Form&nbsp;S-8&nbsp;(File&nbsp;Nos. <A HREF="https://www.sec.gov/Archives/edgar/data/854775/000110465921069334/tm2115777d1_s8.htm">333-256288</A>, <A HREF="https://www.sec.gov/Archives/edgar/data/854775/000110465922060337/tm2215300d1_s8.htm">333-264944</A> and <A HREF="https://www.sec.gov/Archives/edgar/data/854775/000110465923069919/tm2318171d1_s8.htm">333-272554</A>)&nbsp;</FONT>filed with the
Securities and Exchange Commission on May&nbsp;19, 2021, May&nbsp;13, 2022, and June&nbsp;9, 2023, respectively. Such Registration Statements
are currently effective and the contents thereof are incorporated herein by reference except to the extent that such content is superseded
by the items appearing below<FONT STYLE="background-color: white">. </FONT> Additional shares of Common Stock registered under the Prior
Plans may become available for future grants under the Amended Plan if awards made under the Prior Plans that were outstanding on the
Effective Date expire, are forfeited, or are settled in cash. Such shares may be registered for issuance under the Amended Plan pursuant
to subsequent registration statements.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>PART&nbsp;II</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>INFORMATION REQUIRED IN THE REGISTRATION STATEMENT</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

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  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 1in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Item 3.</B></FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Incorporation of Documents by Reference.</B></FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify; margin: 0pt 0; text-indent: 0.5in">The following documents of the Company, filed with
the Commission pursuant to the Securities Exchange Act of 1934, as amended (the &ldquo;<U>Exchange Act</U>&rdquo;), are, as of their respective
dates, incorporated herein by reference and made a part hereof:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%">
  <TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(1)</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><A HREF="https://www.sec.gov/ix?doc=/Archives/edgar/data/854775/000085477524000033/dgii-20240930.htm">The Annual Report on Form&nbsp;10-K of the Company for the fiscal year ended September&nbsp;30, 2024</A>, which incorporates by reference certain portions of the Company&rsquo;s definitive proxy statement for its 2025 Annual Meeting of Stockholders;</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%">
  <TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(2)</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Quarterly Reports on
    Form&nbsp;10-Q of the Company for the quarterly periods ended </FONT><A HREF="https://www.sec.gov/ix?doc=/Archives/edgar/data/854775/000085477525000006/dgii-20241231.htm">December 31, 2024</A> and <A HREF="https://www.sec.gov/ix?doc=/Archives/edgar/data/854775/000085477525000013/dgii-20250331.htm" STYLE="-sec-extract: exhibit">March&nbsp;31, 2025</A>;</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 2%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(3)</FONT></TD>
    <TD STYLE="text-align: justify; width: 97%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Current
    Report on Form&nbsp;8-K of the Company filed on </FONT><A HREF="https://www.sec.gov/ix?doc=/Archives/edgar/data/854775/000110465924128508/tm2430925d1_8k.htm">December 13, 2024</A>;</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%">
  <TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(4)</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">All other reports filed pursuant to Section&nbsp;13(a)&nbsp;or 15(d)&nbsp;of the Exchange Act since the end of the fiscal year covered by the Annual Report referred to in (1)&nbsp;above (other than information deemed to have been &ldquo;furnished&rdquo; rather than &ldquo;filed&rdquo; in accordance with the Commission&rsquo;s rules); and</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%">
  <TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(5)</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The description of the Company&rsquo;s Common Stock contained in the Registration Statement on Form&nbsp;8-A (File No.&nbsp;0-17972) filed on October&nbsp;5, 1989 under the Exchange Act and all amendments and reports filed for the purpose of updating such description.</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">All reports and other documents filed by the Company
pursuant to Sections&nbsp;13(a), 13(c), 14 or 15(d)&nbsp;of the Exchange Act subsequent to the date of this Registration Statement and
prior to the filing of a post-effective amendment that indicates that all of the securities offered have been sold or that deregisters
all securities then remaining unsold shall be deemed to be incorporated by reference in and a part of this Registration Statement from
the date of filing of such documents.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Any statement contained in a document incorporated,
or deemed to be incorporated, by reference herein shall be deemed to be modified or superseded for purposes of this Registration Statement
to the extent that a statement contained herein or incorporated herein by reference or in any other subsequently filed document that also
is or is deemed to be incorporated by reference herein modifies or supersedes such statement. Any statement so modified or superseded
shall not be deemed, except as so modified or superseded, to constitute a part of this Registration Statement.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 0.75in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Item 8.</B></FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Exhibits.</B></FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="font-size: 10pt; border-bottom: black 1pt solid; text-align: center; width: 9%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Exhibit</FONT></TD>
    <TD STYLE="font-size: 10pt; width: 2%; text-align: center"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt; border-bottom: black 1pt solid; width: 63%; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Description</FONT></TD>
    <TD STYLE="font-size: 10pt; text-align: center; width: 2%"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt; border-bottom: black 1pt solid; text-align: center; width: 24%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Method
    of Filing</FONT></TD></TR>
  <TR STYLE="font-size: 10pt; vertical-align: top">
    <TD STYLE="font-size: 10pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">4(a)</FONT></TD>
    <TD STYLE="font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Restated Certificate of Incorporation
    of the Company, as amended (incorporated herein by reference to Exhibit&nbsp;3(a)&nbsp;to the Company&rsquo;s Form&nbsp;10-K for
    the year ended September&nbsp;30, 1993).</FONT></TD>
    <TD STYLE="font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Incorporated by Reference</FONT></TD></TR>
  <TR STYLE="font-size: 10pt; vertical-align: top">
    <TD STYLE="font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font-size: 10pt; vertical-align: top">
    <TD STYLE="font-size: 10pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">4(b)</FONT></TD>
    <TD STYLE="font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><A HREF="https://www.sec.gov/Archives/edgar/data/854775/000110465920054438/tm2018116d1_ex3-1.htm">Amended and Restated By-Laws of the Company (incorporated by reference to Exhibit&nbsp;3.1 to the Company&rsquo;s current report on Form&nbsp;8-K filed April&nbsp;30, 2020).</A></FONT></TD>
    <TD STYLE="font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Incorporated by Reference</FONT></TD></TR>
  <TR STYLE="font-size: 10pt; vertical-align: top">
    <TD STYLE="font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font-size: 10pt; vertical-align: top">
    <TD STYLE="font-size: 10pt; text-align: center"><A HREF="tm2514264d1_ex5.htm"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">5</FONT></A></TD>
    <TD STYLE="font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt"><A HREF="tm2514264d1_ex5.htm"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Opinion of Faegre Drinker Biddle&nbsp;&amp;
    Reath LLP.</FONT></A></TD>
    <TD STYLE="font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt"><A HREF="tm2514264d1_ex5.htm"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Filed Electronically</FONT></A></TD></TR>
  <TR STYLE="font-size: 10pt; vertical-align: top">
    <TD STYLE="font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font-size: 10pt; vertical-align: top">
    <TD STYLE="font-size: 10pt; text-align: center"><A HREF="tm2514264d1_ex5.htm" STYLE="-sec-extract: exhibit"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">23(a)</FONT></A></TD>
    <TD STYLE="font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt"><A HREF="tm2514264d1_ex5.htm" STYLE="-sec-extract: exhibit"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Consent of Faegre Drinker Biddle&nbsp;&amp;
    Reath LLP.</FONT></A></TD>
    <TD STYLE="font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt"><A HREF="tm2514264d1_ex5.htm" STYLE="-sec-extract: exhibit"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Contained in Exhibit&nbsp;5</FONT></A></TD></TR>
  <TR STYLE="font-size: 10pt; vertical-align: top">
    <TD STYLE="font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font-size: 10pt; vertical-align: top">
    <TD STYLE="font-size: 10pt; text-align: center"><A HREF="tm2514264d1_ex23-b.htm" STYLE="-sec-extract: exhibit"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">23(b)</FONT></A></TD>
    <TD STYLE="font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt"><A HREF="tm2514264d1_ex23-b.htm" STYLE="-sec-extract: exhibit"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Consent of Deloitte&nbsp;&amp;
    Touche LLP.</FONT></A></TD>
    <TD STYLE="font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt"><A HREF="tm2514264d1_ex23-b.htm" STYLE="-sec-extract: exhibit"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Filed Electronically</FONT></A></TD></TR>
  <TR STYLE="font-size: 10pt; vertical-align: top">
    <TD STYLE="font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font-size: 10pt; vertical-align: top">
    <TD STYLE="font-size: 10pt; text-align: center"><A HREF="tm2514264d1_ex23-c.htm" STYLE="-sec-extract: exhibit"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">23(c)</FONT></A></TD>
    <TD STYLE="font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt"><A HREF="tm2514264d1_ex23-c.htm" STYLE="-sec-extract: exhibit"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Consent of Grant Thornton LLP.</FONT></A></TD>
    <TD STYLE="font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt"><A HREF="tm2514264d1_ex23-c.htm" STYLE="-sec-extract: exhibit"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Filed Electronically</FONT></A></TD></TR>
  <TR STYLE="font-size: 10pt; vertical-align: top">
    <TD STYLE="font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font-size: 10pt; vertical-align: top">
    <TD STYLE="font-size: 10pt; text-align: center"><A HREF="#a_001"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">24</FONT></A></TD>
    <TD STYLE="font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt"><A HREF="#a_001"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Powers of Attorney.</FONT></A></TD>
    <TD STYLE="font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt"><A HREF="#a_001"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Included with signatures</FONT></A></TD></TR>
  <TR STYLE="font-size: 10pt; vertical-align: top">
    <TD STYLE="font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font-size: 10pt; vertical-align: top">
    <TD STYLE="font-size: 10pt; text-align: center"><A HREF="tm2514264d1_ex99-a.htm"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">99(a)</FONT></A></TD>
    <TD STYLE="font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt"><A HREF="tm2514264d1_ex99-a.htm"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Digi International Inc. 2021
    Omnibus Incentive Plan (as amended and restated on February&nbsp;3, 2025).</FONT></A></TD>
    <TD STYLE="font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt"><A HREF="tm2514264d1_ex99-a.htm"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Filed Electronically</FONT></A></TD></TR>
  <TR STYLE="font-size: 10pt; vertical-align: top">
    <TD STYLE="font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font-size: 10pt; vertical-align: top">
    <TD STYLE="font-size: 10pt; text-align: center"><A HREF="tm2514264d1_ex-filingfees.htm" STYLE="-sec-extract: exhibit"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">107</FONT></A></TD>
    <TD STYLE="font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt"><A HREF="tm2514264d1_ex-filingfees.htm" STYLE="-sec-extract: exhibit"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Filing Fee Table.</FONT></A></TD>
    <TD STYLE="font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt"><A HREF="tm2514264d1_ex-filingfees.htm" STYLE="-sec-extract: exhibit"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Filed Electronically</FONT></A></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B><A NAME="a_001"></A>SIGNATURES</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Pursuant to the requirements of the Securities
Act of 1933, the Company certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form&nbsp;S-8
and has duly caused this Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the city
of Minnetonka, State of Minnesota, on May&nbsp;8, 2025.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%">
  <TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; font-variant: small-caps">DIGI INTERNATIONAL
    INC.</FONT></TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="font-size: 10pt; vertical-align: top">
    <TD STYLE="font-size: 10pt; width: 4%"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt; width: 46%"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="width: 50%">&nbsp;</TD></TR>
  <TR STYLE="font-size: 10pt; vertical-align: top">
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">By</FONT></TD>
    <TD STYLE="font-size: 10pt; border-bottom: black 1pt solid"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/ Ronald E.
    Konezny</FONT></TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="font-size: 10pt; vertical-align: top">
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Ronald E. Konezny</FONT></TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="font-size: 10pt; vertical-align: top">
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><I>President and Chief Executive Officer</I></FONT></TD>
    <TD>&nbsp;</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">We, the undersigned officers and directors of Digi
International Inc., hereby severally constitute Ronald E. Konezny and James J. Loch, and each of them singly, as true and lawful attorneys
with full power to them, and each of them singly, to sign for us and in our names, in the capacities indicated below the registration
statement filed herewith and any amendments to said registration statement, and generally to do all such things in our name and behalf
in our capacities as officers and directors to enable Digi International Inc. to comply with the provisions of the Securities Act of 1933
and all requirements of the Securities and Exchange Commission, hereby ratifying and confirming our signatures as they may be signed by
our said attorneys, or any of them, to said registration statement and any and all amendments thereto.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Pursuant to the requirements of the Securities
Act of 1933, this Registration Statement has been signed by the following persons in the capacities indicated on May&nbsp;8, 2025:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 49%; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B><U>Signature</U></B></FONT></TD>
    <TD STYLE="width: 2%">&nbsp;</TD>
    <TD STYLE="width: 49%; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B><U>Title</U></B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/ Ronald E. Konezny</FONT></TD>
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">President, Chief Executive Officer and Director </FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; text-align: justify"></TD>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="padding-left: 0.125in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(<I>Principal Executive Officer</I>)</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; text-align: justify">&nbsp;</TD>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/ James J. Loch</FONT></TD>
    <TD>&nbsp;</TD>
    <TD>Executive Vice President, Chief Financial Officer and Treasurer</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">James J. Loch</FONT></TD>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="padding-left: 0.125in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(<I>Principal Financing and Accounting Officer</I>)</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; text-align: justify">&nbsp;</TD>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-bottom: black 1pt solid; vertical-align: top; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/ Christopher D. Heim</FONT></TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Director</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Christopher D. Heim</FONT></TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: justify">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; text-align: justify">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: justify">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-bottom: black 1pt solid; vertical-align: top; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/ Spiro C. Lazarakis</FONT></TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Director</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Spiro C. Lazarakis</FONT></TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: justify">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; text-align: justify">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: justify">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-bottom: black 1pt solid; vertical-align: top; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/ Hatem H. Naguib</FONT></TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Director</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Hatem H. Naguib</FONT></TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: justify">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; text-align: justify">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: justify">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-bottom: black 1pt solid; vertical-align: top; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/ Satbir Khanuja, Ph.D.</FONT></TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Director and Non-Executive Chairman of the Board </FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Satbir Khanuja, Ph.D</FONT></TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: justify">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; text-align: justify">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: justify">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-bottom: black 1pt solid; vertical-align: top; text-align: justify">/s/ Valerie Heusinkveld</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Director</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; text-align: justify">Valerie Heusinkveld</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: justify">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; text-align: justify">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: justify">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-bottom: Black 1pt solid; vertical-align: top; text-align: justify">/s/ Allison West Hughes</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Director</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; text-align: justify">Allison West Hughes</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: justify">&nbsp;</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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{"company-data": {"conformed-name": "DIGI INTERNATIONAL INC", "cik": "0000854775", "assigned-sic": "3576", "organization-name": "06 Technology", "ein": "411532464", "state-of-incorporation": "DE", "fiscal-year-end": "0930"}, "filing-values": {"form-type": "S-8", "act": "33", "file-number": "333-287077", "film-number": "25926007"}, "business-address": {"street1": "9350 EXCELSIOR BLVD.", "street2": "SUITE 700", "city": "HOPKINS", "state": "MN", "zip": "55343", "phone": "(952) 912-3444"}, "mail-address": {"street1": "9350 EXCELSIOR BLVD.", "street2": "SUITE 700", "city": "HOPKINS", "state": "MN", "zip": "55343"}}
As filed with the Securities and Exchange Commission
on May 8, 2025.
Registration No. 333-
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, DC 20549
FORM S-8
REGISTRATION STATEMENT UNDER THE
Securities
Act of 1933
DIGI INTERNATIONAL INC.
(Exact name of Registrant as specified in its charter)
Delaware
41-1532464
(State or other jurisdiction of incorporation or organization)
(I.R.S. Employer Identification No.)
9350 Excelsior Blvd., Suite 700
Hopkins, Minnesota
55343
(Address of principal executive offices)
(Zip Code)
DIGI INTERNATIONAL INC.
2021 OMNIBUS INCENTIVE PLAN
(Full title of the plan)
James J. Loch
Executive Vice President, Chief Financial Officer
and Treasurer
Digi International Inc.
9350 Excelsior Blvd., Suite 700
Hopkins, Minnesota 55343
(Name and address of agent for service)
(952) 912-3444
(Telephone number, including area code, of agent
for service)
Indicate by check mark whether the registrant is a large accelerated
filer, an accelerated filer, a non-accelerated filer, smaller reporting company, or an emerging growth company. See the definitions of
 "large accelerated filer," "accelerated filer," "smaller reporting company," and "emerging growth
company" in Rule 12b-2 of the Exchange Act.
Large
accelerated filer
x
Accelerated filer
¨
Non-accelerated filer
¨
Smaller reporting company
¨
Emerging growth company
¨
If
an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying
with any new or revised financial accounting standards provided pursuant to Section 7(a)(2)(B) of the Securities Act.
¨
DIGI INTERNATIONAL INC.
EXPLANATORY NOTE
On February 3, 2025 (the
 "
Effective Date
"), the stockholders of Digi International Inc. (the "
Company
") approved the amendment
and restatement of the Company's 2021 Omnibus Incentive Plan (as amended and restated, the "
Amended Plan
"), which
increased the number of shares available for issuance pursuant to awards under the Amended Plan by an additional two million shares and
extended the expiration date so that the term of the plan runs for ten years from the Effective Date. As provided in the Amended Plan,
5,500,000 shares of common stock, par value $.01 per share ("
Common Stock
"), are available for issuance under the Amended
Plan. In addition, the number of shares of Common Stock available for issuance under the Amended Plan will be increased by the number
of shares subject to awards that expire, are forfeited, are cancelled, are returned, or are settled in cash (made under the Amended Plan
or that were outstanding under the Company's 2020 Omnibus Incentive Plan, as approved January 29, 2020 (the "
2020
Plan
"), the Company's 2019 Omnibus Incentive Plan, as approved February 4, 2019 (the "
2019 Plan
"),
the Company's 2018 Omnibus Incentive Plan, as approved January 29, 2018 (the "
2018 Plan
"), the Company's
2017 Omnibus Incentive Plan, as approved January 30, 2017 (the "
2017 Plan
"), the Company's 2016 Omnibus
Incentive Plan, as approved February 1, 2016 (the "
2016 Plan
"), the Company's 2014 Omnibus Incentive Plan,
as approved January 27, 2014 (the "
2014 Plan
"), the Company's 2013 Omnibus Stock Plan, as approved
January 28, 2013 (the "
2013 Plan
"), or the Company's 2000 Omnibus Stock Plan, as amended and restated December 4,
2009 (the "
2000 Plan
", and together with the 2020 Plan, the 2019 Plan, the 2018 Plan, the 2017 Plan, the 2016 Plan,
the 2014 Plan and the 2013 Plan, the "
Prior Plans
")) that expire, are forfeited, or are settled in cash.
Pursuant to General Instruction
E of Form S-8 under the Act, this Registration Statement is filed to register the 2,000,000 additional shares of Common Stock being
registered for the first time pursuant to the Amended Plan.
The Company previously registered 3,500,000
shares of Common Stock for issuance under the
Company's 2021 Omnibus Incentive Plan
pursuant
to Registration Statements on Form S-8 (File Nos.
333-256288
,
333-264944
and
333-272554
)
filed with the
Securities and Exchange Commission on May 19, 2021, May 13, 2022, and June 9, 2023, respectively. Such Registration Statements
are currently effective and the contents thereof are incorporated herein by reference except to the extent that such content is superseded
by the items appearing below
.
Additional shares of Common Stock registered under the Prior
Plans may become available for future grants under the Amended Plan if awards made under the Prior Plans that were outstanding on the
Effective Date expire, are forfeited, or are settled in cash. Such shares may be registered for issuance under the Amended Plan pursuant
to subsequent registration statements.
PART II
INFORMATION REQUIRED IN THE REGISTRATION STATEMENT
Item 3.
Incorporation of Documents by Reference.
The following documents of the Company, filed with
the Commission pursuant to the Securities Exchange Act of 1934, as amended (the "
Exchange Act
"), are, as of their respective
dates, incorporated herein by reference and made a part hereof:
(1)
The Annual Report on Form 10-K of the Company for the fiscal year ended September 30, 2024
, which incorporates by reference certain portions of the Company's definitive proxy statement for its 2025 Annual Meeting of Stockholders;
(2)
The Quarterly Reports on
    Form 10-Q of the Company for the quarterly periods ended
December 31, 2024
and
March 31, 2025
;
(3)
The Current
    Report on Form 8-K of the Company filed on
December 13, 2024
;
(4)
All other reports filed pursuant to Section 13(a) or 15(d) of the Exchange Act since the end of the fiscal year covered by the Annual Report referred to in (1) above (other than information deemed to have been "furnished" rather than "filed" in accordance with the Commission's rules); and
(5)
The description of the Company's Common Stock contained in the Registration Statement on Form 8-A (File No. 0-17972) filed on October 5, 1989 under the Exchange Act and all amendments and reports filed for the purpose of updating such description.
All reports and other documents filed by the Company
pursuant to Sections 13(a), 13(c), 14 or 15(d) of the Exchange Act subsequent to the date of this Registration Statement and
prior to the filing of a post-effective amendment that indicates that all of the securities offered have been sold or that deregisters
all securities then remaining unsold shall be deemed to be incorporated by reference in and a part of this Registration Statement from
the date of filing of such documents.
Any statement contained in a document incorporated,
or deemed to be incorporated, by reference herein shall be deemed to be modified or superseded for purposes of this Registration Statement
to the extent that a statement contained herein or incorporated herein by reference or in any other subsequently filed document that also
is or is deemed to be incorporated by reference herein modifies or supersedes such statement. Any statement so modified or superseded
shall not be deemed, except as so modified or superseded, to constitute a part of this Registration Statement.
Item 8.
Exhibits.
Exhibit
Description
Method
    of Filing
4(a)
Restated Certificate of Incorporation
    of the Company, as amended (incorporated herein by reference to Exhibit 3(a) to the Company's Form 10-K for
    the year ended September 30, 1993).
Incorporated by Reference
4(b)
Amended and Restated By-Laws of the Company (incorporated by reference to Exhibit 3.1 to the Company's current report on Form 8-K filed April 30, 2020).
Incorporated by Reference
5
Opinion of Faegre Drinker Biddle &
    Reath LLP.
Filed Electronically
23(a)
Consent of Faegre Drinker Biddle &
    Reath LLP.
Contained in Exhibit 5
23(b)
Consent of Deloitte &
    Touche LLP.
Filed Electronically
23(c)
Consent of Grant Thornton LLP.
Filed Electronically
24
Powers of Attorney.
Included with signatures
99(a)
Digi International Inc. 2021
    Omnibus Incentive Plan (as amended and restated on February 3, 2025).
Filed Electronically
107
Filing Fee Table.
Filed Electronically
SIGNATURES
Pursuant to the requirements of the Securities
Act of 1933, the Company certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8
and has duly caused this Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the city
of Minnetonka, State of Minnesota, on May 8, 2025.
DIGI INTERNATIONAL
    INC.
By
/s/ Ronald E.
    Konezny
Ronald E. Konezny
President and Chief Executive Officer
We, the undersigned officers and directors of Digi
International Inc., hereby severally constitute Ronald E. Konezny and James J. Loch, and each of them singly, as true and lawful attorneys
with full power to them, and each of them singly, to sign for us and in our names, in the capacities indicated below the registration
statement filed herewith and any amendments to said registration statement, and generally to do all such things in our name and behalf
in our capacities as officers and directors to enable Digi International Inc. to comply with the provisions of the Securities Act of 1933
and all requirements of the Securities and Exchange Commission, hereby ratifying and confirming our signatures as they may be signed by
our said attorneys, or any of them, to said registration statement and any and all amendments thereto.
Pursuant to the requirements of the Securities
Act of 1933, this Registration Statement has been signed by the following persons in the capacities indicated on May 8, 2025:
Signature
Title
/s/ Ronald E. Konezny
President, Chief Executive Officer and Director
(
Principal Executive Officer
)
/s/ James J. Loch
Executive Vice President, Chief Financial Officer and Treasurer
James J. Loch
(
Principal Financing and Accounting Officer
)
/s/ Christopher D. Heim
Director
Christopher D. Heim
/s/ Spiro C. Lazarakis
Director
Spiro C. Lazarakis
/s/ Hatem H. Naguib
Director
Hatem H. Naguib
/s/ Satbir Khanuja, Ph.D.
Director and Non-Executive Chairman of the Board
Satbir Khanuja, Ph.D
/s/ Valerie Heusinkveld
Director
Valerie Heusinkveld
/s/ Allison West Hughes
Director
Allison West Hughes