content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
    <headerData>
      <submissionType>144</submissionType>
      <filerInfo>
        <filer>
          <filerCredentials>
            <cik>0001314901</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0000709283</issuerCik>
        <issuerName>QUANTUM CORP /DE/</issuerName>
        <secFileNumber>001-13449</secFileNumber>
        <issuerAddress>
          <com:street1>224 AIRPORT PARKWAY</com:street1>
          <com:street2>SUITE 550</com:street2>
          <com:city>SAN JOSE</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>95110</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>408 944 4000</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Cabrera Brian E</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Officer</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>E Trade</name>
          <address>
            <com:street1>224 Airport Parkway</com:street1>
            <com:street2>Suite 550</com:street2>
            <com:city>San Jose</com:city>
            <com:stateOrCountry>CA</com:stateOrCountry>
            <com:zipCode>95110</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>942</noOfUnitsSold>
        <aggregateMarketValue>574.62</aggregateMarketValue>
        <noOfUnitsOutstanding>227430</noOfUnitsOutstanding>
        <approxSaleDate>10/04/2023</approxSaleDate>
        <securitiesExchangeName>Nasdaq</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <acquiredDate>10/04/2023</acquiredDate>
        <natureOfAcquisitionTransaction>Restricted Stock Units</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>1667</amountOfSecuritiesAcquired>
        <paymentDate>10/04/2023</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Brian E. Cabrera</name>
          <address>
            <com:street1>224 Airport Parkway</com:street1>
            <com:street2>Suite 550</com:street2>
            <com:city>San Jose</com:city>
            <com:stateOrCountry>CA</com:stateOrCountry>
            <com:zipCode>95110</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <saleDate>07/10/2023</saleDate>
        <amountOfSecuritiesSold>15674</amountOfSecuritiesSold>
        <grossProceeds>16739.46</grossProceeds>
      </securitiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>10/05/2023</noticeDate>
        <signature>Jennifer Opitz</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 3426}]
text: 144
  0001314901
  XXXXXXXX
  LIVE
  0000709283
  QUANTUM CORP /DE/
  001-13449
  224 AIRPORT PARKWAY
  SUITE 550
  SAN JOSE
  CA
  95110
  408 944 4000
  Cabrera Brian E
  Officer
  Common Stock
  E Trade
  224 Airport Parkway
  Suite 550
  San Jose
  CA
  95110
  942
  574.62
  227430
  10/04/2023
  Nasdaq
  Common Stock
  10/04/2023
  Restricted Stock Units
  Issuer
  N
  1667
  10/04/2023
  Compensation
  N
  Brian E. Cabrera
  224 Airport Parkway
  Suite 550
  San Jose
  CA
  95110
  Common Stock
  07/10/2023
  15674
  16739.46
  10/05/2023
  Jennifer Opitz