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 period ended July 2, 2011 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. §1350, as adopted pursuant to §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/ R. Terry Blakemore                               

R. Terry Blakemore

President and Chief Executive Officer

August 10, 2011

/s/ Michael McAndrew                              

Michael McAndrew

Executive Vice President, Chief Financial Officer,

Treasurer, Secretary and Principal Accounting Officer

August 10, 2011

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.