<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM BLACK BOX
CORPORATION'S FORM 10Q FOR THE FISCAL QUARTER END SEPTEMBER 30, 2000 AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          MAR-31-2001
<PERIOD-START>                             APR-01-2000
<PERIOD-END>                               SEP-30-2000
<CASH>                                           9,027
<SECURITIES>                                         0
<RECEIVABLES>                                  148,913
<ALLOWANCES>                                     7,644
<INVENTORY>                                     48,071
<CURRENT-ASSETS>                               240,807
<PP&E>                                          71,481
<DEPRECIATION>                                  28,816
<TOTAL-ASSETS>                                 578,702
<CURRENT-LIABILITIES>                          103,227
<BONDS>                                        146,996
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            21
<OTHER-SE>                                     317,904
<TOTAL-LIABILITY-AND-EQUITY>                   578,702
<SALES>                                        376,936
<TOTAL-REVENUES>                               376,936
<CGS>                                          222,257
<TOTAL-COSTS>                                  222,257
<OTHER-EXPENSES>                                   134
<LOSS-PROVISION>                                 1,224
<INTEREST-EXPENSE>                               5,254
<INCOME-PRETAX>                                 49,689
<INCOME-TAX>                                    19,379
<INCOME-CONTINUING>                             30,310
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    30,310
<EPS-BASIC>                                       1.62
<EPS-DILUTED>                                     1.54