Chieftec UNC-310RS-B, Rack, Server, Black, ATX, EATX, Metal, 3U Chieftec UNC-310RS-B. Form factor: Rack, Type: Server, Product color: Black. Power supply: 550 W. Supported HDD sizes: 3.5". Width: 19" (482.6 mm), Depth: 5.28" (134 mm), Height: 22.6" (574 mm). Cables included: AC