<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM EMC
CORPORATION'S FINANCIAL STATEMENTS AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE
TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-END>                               JUN-30-1998
<CASH>                                         983,784
<SECURITIES>                                   402,113
<RECEIVABLES>                                  814,076
<ALLOWANCES>                                     7,645
<INVENTORY>                                    480,856
<CURRENT-ASSETS>                             2,765,689
<PP&E>                                         487,668
<DEPRECIATION>                                 298,348
<TOTAL-ASSETS>                               3,963,199
<CURRENT-LIABILITIES>                          600,940
<BONDS>                                        517,500
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         4,995
<OTHER-SE>                                   2,759,008
<TOTAL-LIABILITY-AND-EQUITY>                 3,963,199
<SALES>                                      1,724,755
<TOTAL-REVENUES>                             1,780,353
<CGS>                                          898,616
<TOTAL-COSTS>                                1,369,368
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               9,729
<INCOME-PRETAX>                                447,481
<INCOME-TAX>                                   111,870
<INCOME-CONTINUING>                            335,611
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   335,611
<EPS-PRIMARY>                                      .67
<EPS-DILUTED>                                      .64