Exhibit 32.1


                            CERTIFICATION PURSUANT TO

                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002


In connection with the Quarterly Report of Black Box Corporation (the "Company")
on Form 10-Q for the quarter ended June 29, 2003 as filed with the Securities
and Exchange Commission on the date hereof (the "Report"), each of the
undersigned officers of the Company, pursuant to 18 U.S.C. Section 1350, as
adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, certifies
that to his knowledge:

         (1) The Report fully complies with the requirements of section 13(a) or
15(d) of the Securities Exchange Act of 1934; and

         (2) The information contained in the Report fairly presents, in all
material respects, the financial condition and results of operations of the
Company.

/s/  Fred C. Young
------------------------------------
Fred C. Young
Chief Executive Officer
August 12, 2003

/s/  Michael McAndrew
------------------------------------
Michael McAndrew
Chief Financial Officer
August 12, 2003


         A signed original of this written statement required by Section 906, or
other document authenticating, acknowledging, or otherwise adopting the
signature that appears in typed form within the electronic version of this
written statement required by Section 906, has been provided to the Company and
will be retained by the Company and furnished to the Securities and Exchange
Commission or its staff upon request.

         The foregoing certification is being furnished in accordance with
Securities and Exchange Commission Release Nos. 34-47551 and 34-47986 and shall
not be considered filed as part of the Form 10-Q.

         This certification is made solely for purposes of 18 U.S.C. Section
1350, subject to the knowledge standard contained therein, and not for any other
purpose.


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