5

THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE FINANCIAL STATEMENTS OF QUANTUM CORPORATION.

1,000 6-MOS MAR-31-2001 APR-01-2000 OCT-01-2000 795,504 16,814 641,676 22,638 243,754 253,307 554,567 322,158 2,457,528 882,731 324,737 0 0 723,697 454,846 2,457,528 2,406,064 2,406,064 1,884,711 1,884,711 383,543 0 13,688 149,336 53,302 96,034 0 0 0 96,034 0 0 DSS Group EPS - Basic 0.60 HDD Group EPS - Basic 0.10 DSS Group EPS - Diluted 0.57 HDD Group EPS - Diluted 0.09