Rack Mount Case 5U Black CRM-5U-BK Drive Bay & Slot: 5x5.25" Open, 1x3.5" Open, 1x3.5" Hidden, 7 Slots Power & Cooling: Regular ATX Power Supply ( Sold Separately ) , Case Fan: 1x 8cm, 1x 12cm Dimension: MB Size:13"(W) x 13"1/4(D), Case Size: 17"1/4(W) x 8"3/4(H) x 22"1/2 (D) Weight: N.W.:37lbs, G.W.:51lbs Matching Sliding Rails: CRM-SL26 ( sold separately )