Equip 100939, Rack, Server, Black, ATX, Steel, 4U Equip 100939. Form factor: Rack, Type: Server, Product colour: Black. Front fans installed: 1x 120 mm, Rear fans diameters supported: 80 mm. Supported HDD sizes: 3.5". Width: 545 mm, Depth: 645 mm, Height: 315 mm