content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <headerData>
  <submissionType>144</submissionType>
  <filerInfo>
  <filer>
  <filerCredentials>
  <cik>0001163368</cik>
  <ccc>XXXXXXXX</ccc>
  </filerCredentials>
  </filer>
  <liveTestFlag>LIVE</liveTestFlag>
  </filerInfo>
  </headerData>
  <formData>
  <issuerInfo>
  <issuerCik>0000709283</issuerCik>
  <issuerName>RS - QUANTUM CORP /DE/</issuerName>
  <secFileNumber>001-13449</secFileNumber>
  <issuerAddress>
  <street1 xmlns="http://www.sec.gov/edgar/common">224 AIRPORT PARKWAY</street1>
  <street2 xmlns="http://www.sec.gov/edgar/common">SUITE 550</street2>
  <city xmlns="http://www.sec.gov/edgar/common">SAN JOSE</city>
  <stateOrCountry xmlns="http://www.sec.gov/edgar/common">CA</stateOrCountry>
  <zipCode xmlns="http://www.sec.gov/edgar/common">95110</zipCode>
  </issuerAddress>
  <issuerContactPhone>408-944 4000</issuerContactPhone>
  <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>PACIFIC INVESTMENT MANAGEMENT CO LLC</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
  <relationshipsToIssuer>
  <relationshipToIssuer>Shareholder</relationshipToIssuer>
  </relationshipsToIssuer>
  </issuerInfo>
  <securitiesInformation>
  <securitiesClassTitle>Common Stock</securitiesClassTitle>
  <brokerOrMarketmakerDetails>
  <name>Morgan Stanley Smith Barney LLC Executive Financial Services</name>
  <address>
  <street1 xmlns="http://www.sec.gov/edgar/common">1 New York Plaza</street1>
  <city xmlns="http://www.sec.gov/edgar/common">New York</city>
  <stateOrCountry xmlns="http://www.sec.gov/edgar/common">NY</stateOrCountry>
  <zipCode xmlns="http://www.sec.gov/edgar/common">10004</zipCode>
  </address>
  </brokerOrMarketmakerDetails>
  <noOfUnitsSold>962127</noOfUnitsSold>
  <aggregateMarketValue>11728328.13</aggregateMarketValue>
  <noOfUnitsOutstanding>6526782</noOfUnitsOutstanding>
  <approxSaleDate>04/15/2025</approxSaleDate>
  <securitiesExchangeName>NASDAQ</securitiesExchangeName>
  </securitiesInformation>
  <securitiesToBeSold>
  <securitiesClassTitle>Common Stock</securitiesClassTitle>
  <acquiredDate>01/03/2025</acquiredDate>
  <natureOfAcquisitionTransaction>Cashless exercise of warrants</natureOfAcquisitionTransaction>
  <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
  <isGiftTransaction>N</isGiftTransaction>
  <amountOfSecuritiesAcquired>449710</amountOfSecuritiesAcquired>
  <paymentDate>01/03/2025</paymentDate>
  <natureOfPayment>Cashless exercise of warrants, which were acquired and fully paid for on or before August 13, 2024.</natureOfPayment>
  </securitiesToBeSold>
  <securitiesToBeSold>
  <securitiesClassTitle>Common Stock</securitiesClassTitle>
  <acquiredDate>04/22/2022</acquiredDate>
  <natureOfAcquisitionTransaction>Rights Offering</natureOfAcquisitionTransaction>
  <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
  <isGiftTransaction>N</isGiftTransaction>
  <amountOfSecuritiesAcquired>512417</amountOfSecuritiesAcquired>
  <paymentDate>04/22/2022</paymentDate>
  <natureOfPayment>Cash</natureOfPayment>
  </securitiesToBeSold>
  <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
  <remarks>289,620 of the shares of Common Stock are being sold by OC II FIE V LP ("OC II") and 672,507 shares of Common Stock are being sold by OC III LVS XL LP ("OC III").  Pacific Investment Management Company LLC ("PIMCO") exercises sole voting and investment power over the securities directly held by OC II and OC III and is filing this Form 144 on their behalf.</remarks>
  <noticeSignature>
  <noticeDate>04/15/2025</noticeDate>
  <signature>/s/ Alyssa Creighton</signature>
  </noticeSignature>
  </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 3738}]
text: 144
  0001163368
  XXXXXXXX
  LIVE
  0000709283
  RS - QUANTUM CORP /DE/
  001-13449
  224 AIRPORT PARKWAY
  SUITE 550
  SAN JOSE
  CA
  95110
  408-944 4000
  PACIFIC INVESTMENT MANAGEMENT CO LLC
  Shareholder
  Common Stock
  Morgan Stanley Smith Barney LLC Executive Financial Services
  1 New York Plaza
  New York
  NY
  10004
  962127
  11728328.13
  6526782
  04/15/2025
  NASDAQ
  Common Stock
  01/03/2025
  Cashless exercise of warrants
  Issuer
  N
  449710
  01/03/2025
  Cashless exercise of warrants, which were acquired and fully paid for on or before August 13, 2024.
  Common Stock
  04/22/2022
  Rights Offering
  Issuer
  N
  512417
  04/22/2022
  Cash
  Y
  289,620 of the shares of Common Stock are being sold by OC II FIE V LP ("OC II") and 672,507 shares of Common Stock are being sold by OC III LVS XL LP ("OC III").  Pacific Investment Management Company LLC ("PIMCO") exercises sole voting and investment power over the securities directly held by OC II and OC III and is filing this Form 144 on their behalf.
  04/15/2025
  /s/ Alyssa Creighton