<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM BLACK
BOX CORPORATION'S FORM 10-Q FOR THE FISCAL QUARTER ENDED JUNE 30, 1999.
</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          MAR-31-2000
<PERIOD-START>                             APR-01-1999
<PERIOD-END>                               JUN-30-1999
<CASH>                                           4,844
<SECURITIES>                                         0
<RECEIVABLES>                                   63,951
<ALLOWANCES>                                     3,899
<INVENTORY>                                     35,310
<CURRENT-ASSETS>                               119,849
<PP&E>                                          48,365
<DEPRECIATION>                                  21,893
<TOTAL-ASSETS>                                 253,283
<CURRENT-LIABILITIES>                           43,183
<BONDS>                                         32,890
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            19
<OTHER-SE>                                     167,762
<TOTAL-LIABILITY-AND-EQUITY>                   253,283
<SALES>                                         97,520
<TOTAL-REVENUES>                                97,520
<CGS>                                           52,053
<TOTAL-COSTS>                                   52,053
<OTHER-EXPENSES>                                    48
<LOSS-PROVISION>                                   731
<INTEREST-EXPENSE>                                  50
<INCOME-PRETAX>                                 17,587
<INCOME-TAX>                                     6,947
<INCOME-CONTINUING>                             10,640
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    10,640
<EPS-BASIC>                                       0.60
<EPS-DILUTED>                                     0.57