<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-31-1997
<PERIOD-END>                               SEP-30-1997
<CASH>                                         971,241
<SECURITIES>                                   361,607
<RECEIVABLES>                                  663,114
<ALLOWANCES>                                     7,519
<INVENTORY>                                    449,024
<CURRENT-ASSETS>                             2,509,146
<PP&E>                                         338,583
<DEPRECIATION>                                  95,499
<TOTAL-ASSETS>                               3,175,496
<CURRENT-LIABILITIES>                          383,456
<BONDS>                                        517,500
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         2,479
<OTHER-SE>                                   2,190,042
<TOTAL-LIABILITY-AND-EQUITY>                 3,175,496
<SALES>                                      2,009,360
<TOTAL-REVENUES>                             2,064,468
<CGS>                                        1,111,808
<TOTAL-COSTS>                                1,604,233
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              10,748
<INCOME-PRETAX>                                500,725
<INCOME-TAX>                                   128,436
<INCOME-CONTINUING>                            372,289
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   372,289
<EPS-PRIMARY>                                     1.44
<EPS-DILUTED>                                     1.44