<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED
FROM EMC CORPORATION FINANCIAL STATEMENTS AND IS QUALIFIED IN ITS
ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-END>                               SEP-30-1998
<CASH>                                         903,726
<SECURITIES>                                   446,954
<RECEIVABLES>                                  837,647
<ALLOWANCES>                                     7,495
<INVENTORY>                                    521,745
<CURRENT-ASSETS>                             2,817,347
<PP&E>                                         584,575
<DEPRECIATION>                                 326,324
<TOTAL-ASSETS>                               4,255,269
<CURRENT-LIABILITIES>                          630,694
<BONDS>                                        517,500
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         5,018
<OTHER-SE>                                   3,029,299
<TOTAL-LIABILITY-AND-EQUITY>                 4,255,269
<SALES>                                      2,670,561
<TOTAL-REVENUES>                             2,782,894
<CGS>                                        1,376,803
<TOTAL-COSTS>                                2,121,045
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              14,591
<INCOME-PRETAX>                                715,868
<INCOME-TAX>                                   178,967
<INCOME-CONTINUING>                            536,901
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   536,901
<EPS-PRIMARY>                                     1.08
<EPS-DILUTED>                                     1.01