Black Box (BBOX) 10-K 2009 FY Annual report

Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (Nos. 33-75254, 33-75252, 33-92656, 333-01978, 333-34839, 333-34837, 333-81521, 333-81523, 333-64410, 333-64412, 333-100294, 333-100295, 333-116550, 333-116551, 333-125839, 333-125840, 333-129838, 333-146202, and 333-157467) of our reports dated May 27, 2009 relating to the consolidated financial statements, financial statement schedule, and the effectiveness of Black Box Corporation’s internal control over financial reporting included in this Annual Report on Form 10-K for the fiscal year ended March 31, 2009.

/s/ BDO Seidman, LLP

Chicago, Illinois
May 27, 2009