SUPERMICRO CSE-732D4-865B Black Pedestal Server Chassis 865W AC power supply (cooling-redundant) w/ PFC 2 External 5.25 Drive Bays Motherboard Compatibility: 12 x 13 E-ATX, 12 x 10 ATX, and 9.6 x 9.6 Micro-ATX Power Supply: 865W AC power supply (cooling-redundant) w/ PFC External 5.25 Drive Bays: 2 External 3.5 Drive Bays: 1 Internal 3.5 Drive Bays: 4 Expansion Slots: 7 Front Ports: 2 x Front USB 3.0 ports 2 x Front USB 2.0 ports 2 x Front HD/AC97 Audio ports 120mm Fans: 1