<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM BLACK BOX
CORPORATION'S FORM 10-K FOR THE FISCAL YEAR ENDED MARCH 31, 1999 AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.


<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          MAR-31-1999
<PERIOD-START>                             APR-01-1998
<PERIOD-END>                               MAR-31-1999
<CASH>                                           5,946
<SECURITIES>                                         0
<RECEIVABLES>                                   66,864
<ALLOWANCES>                                     4,023
<INVENTORY>                                     32,258
<CURRENT-ASSETS>                               117,407
<PP&E>                                          44,931
<DEPRECIATION>                                  20,741
<TOTAL-ASSETS>                                 246,465
<CURRENT-LIABILITIES>                           44,145
<BONDS>                                            204
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            18
<OTHER-SE>                                     192,634
<TOTAL-LIABILITY-AND-EQUITY>                   246,465
<SALES>                                        329,974
<TOTAL-REVENUES>                               329,974
<CGS>                                          167,672
<TOTAL-COSTS>                                  167,672
<OTHER-EXPENSES>                                 (238)
<LOSS-PROVISION>                                 2,923
<INTEREST-EXPENSE>                                 553
<INCOME-PRETAX>                                 63,050
<INCOME-TAX>                                    24,905
<INCOME-CONTINUING>                             38,145
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    38,145
<EPS-BASIC>                                       2.19
<EPS-DILUTED>                                     2.09