<TABLE> <S> <C>
<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.
</LEGEND>
<RESTATED>
<MULTIPLIER> 1,000
<S> <C>
<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
0
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
</TABLE>