Exhibit 23.1
               CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS


     We consent to the incorporation by reference in the Registration Statement
(Form S-8) pertaining to the Supplemental Stock Option Plan of Quantum
Corporation of our reports dated April 24, 2000, with respect to the
consolidated financial statements and schedule of Quantum Corporation, the
combined financial statements and schedule of the DLT & Storage Systems group of
Quantum Corporation and the combined financial statements and schedule of the
Hard Disk Drive group of Quantum Corporation, included in Quantum Corporation's
Annual Report (Form 10- K) for the year ended March 31, 2000, filed with the
Securities and Exchange Commission.


                                                           /s/ Ernst & Young LLP


San Jose, California
August 23, 2000