SUPERMICRO SuperChassis CSE-825MTQ-R700LPB Black 2U Rackmount Server Case 700W Redundant Motherboard Compatibility: 12 x 13, 13.68 x 13 E-ATX Power Supply: 700W Redundant Hot-Swap Drive Bays: 3 x 3.5 SAS/SATA Expansion Slots: 7x low-profile expansion slots External Slim Drive Bays: 1 x Slim DVD-ROM drive Front Ports: 2 x USB Port, DB9 COM Port 40mm Fans: 4 Dimensions (H x W x D): 17.7 x 17.2 x 3.5