<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONDENSED CONSOLIDATED STATEMENT OF OPERATIONS AND BALANCE SHEET OF WESTERN
DIGITAL CORPORATION AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
QUARTERLY REPORT ON FORM 10Q FOR THE SIX MONTH PERIOD ENDED DECEMBER 31, 1999.
</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          JUN-30-2000
<PERIOD-START>                             JUL-04-1999
<PERIOD-END>                               DEC-31-1999
<CASH>                                         163,675
<SECURITIES>                                         0
<RECEIVABLES>                                  215,712
<ALLOWANCES>                                    17,352
<INVENTORY>                                    101,728
<CURRENT-ASSETS>                               559,234
<PP&E>                                         504,435
<DEPRECIATION>                                 347,544
<TOTAL-ASSETS>                                 764,724
<CURRENT-LIABILITIES>                          574,740
<BONDS>                                        236,291
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         1,290
<OTHER-SE>                                    (89,358)
<TOTAL-LIABILITY-AND-EQUITY>                   764,724
<SALES>                                        967,131
<TOTAL-REVENUES>                               967,131
<CGS>                                        1,012,232
<TOTAL-COSTS>                                1,012,232
<OTHER-EXPENSES>                               234,953
<LOSS-PROVISION>                                 1,000
<INTEREST-EXPENSE>                               8,357
<INCOME-PRETAX>                              (288,411)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                          (288,411)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                166,899
<CHANGES>                                            0
<NET-INCOME>                                 (121,512)
<EPS-BASIC>                                   (1.12)
<EPS-DILUTED>                                   (1.12)