Supermicro SuperChassis 213AC-R920WB (Black) - Rack-mountable - Black - 2U - 17 x Bay - 3 x 3.15" x Fan(s) Installed - 1 x 920 W - Power Supply Installed - ATX, EATX Motherboard Supported - 1 x External 5.25" Bay - 16 x External 2.5" Bay - 7x Slot(s) - 2 x USB(s)