Rack Mount Case 4U White CRM-4U-WT-4S100 Drive Bay & Slot: 3x5.25" Open, 1x3.5" Open, 2x3.5" Hidden, 7 Slots Power & Cooling: Regular ATX Power Supply ( Sold Separately ) , Case Fan: 2x 8cm Dimension: MB Size:12"7/8(W) x 13"1/4(D), Case Size: 16"7/8(W) x 7"(H) x 19"7/8 (D) Weight: N.W.:32lbs, G.W.:44lbs Matching Sliding Rails: CRM-SL20, CRM-SL26 sold separately