<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> 1000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-END>                               MAR-31-1999
<CASH>                                         816,283
<SECURITIES>                                   694,886
<RECEIVABLES>                                  983,739
<ALLOWANCES>                                     7,798
<INVENTORY>                                    526,624
<CURRENT-ASSETS>                             3,145,024
<PP&E>                                         666,379
<DEPRECIATION>                                 400,019
<TOTAL-ASSETS>                               4,858,628
<CURRENT-LIABILITIES>                          707,989
<BONDS>                                        491,841
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         5,062
<OTHER-SE>                                   3,589,021
<TOTAL-LIABILITY-AND-EQUITY>                 4,858,628
<SALES>                                      1,055,546
<TOTAL-REVENUES>                             1,127,955
<CGS>                                          527,409
<TOTAL-COSTS>                                  852,730
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               5,194
<INCOME-PRETAX>                                294,235
<INCOME-TAX>                                    73,559
<INCOME-CONTINUING>                            220,676
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   220,676
<EPS-PRIMARY>                                      .44
<EPS-DILUTED>                                      .41