SUPERMICRO CSE-219A-R920LPB Black 2U Rackmount Server Chassis 920W Redundant 1 External 5.25 Drive Bays Motherboard Compatibility: support for max. motherboard size - 13.68 x 16.5 Power Supply: 920W Redundant External 5.25 Drive Bays: 1 Hot-Swap Drive Bays: 16 x 2.5 SAS / SATA Expansion Slots: 7 x low-profile expansion slots External Slim Drive Bays: 1 80mm Fans: 4 Dimensions (H x W x D): 26.93 x 17.2 x 3.5