5

THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE FINANCIAL STATEMENTS OF QUANTUM CORPORATION FOR THE QUARTER ENDED DECEMBER 28, 1997

1,000 9-MOS MAR-31-1998 DEC-28-1997 716,588 0 836,938 13,912 423,445 2,191,559 484,550 202,705 2,627,503 911,464 569,077 0 0 520,130 593,582 2,627,503 4,519,516 4,519,516 3,809,826 3,809,826 458,382 0 24,135 227,173 59,065 168,108 0 0 0 168,108 1.26 1.05