Chieftec UNC-310RS-B, Rack, Server, Black, ATX, 3U, 434 mm Chieftec UNC-310RS-B. Form factor: Rack, Type: Server, Product colour: Black. Width: 434 mm, Depth: 574 mm, Height: 134 mm. Ventilation fan(s): 4 x 90, Internal drive bays: 7x 3,5", External drive bays: 3x 5,25"