United States securities and exchange commission logo February 3, 2021 James J. Lerner Chief Executive Officer Quantum Corp. 224 Airport Parkway, Suite 550 San Jose, CA 95110 Re: Quantum Corp. Registration Statement on Form S-3 Filed February 1, 2021 File No. 333-252609 Dear Mr. Lerner: This is to advise you that we have not reviewed and will not review your registration statement. Please refer to Rules 460 and 461 regarding requests for acceleration. We remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. Please contact Edwin Kim, Staff Attorney, at (202) 551-3297 or Jan Woo, Legal Branch Chief, at (202) 551-3453 with any questions. Sincerely, Division of Corporation Finance Office of Technology cc: Davina K. Kaile, Esq.