SUPERMICRO SuperChassis CSE-745TQ-R800B Black 4U Rackmount Server Chassis 800W Redundant 2 x 5.25 Peripheral Drive Bay 1 x 5.25 Bay For Floppy Drive External 5.25 Drive Bays Motherboard Compatibility: 13.68 x 13 Power Supply: 800W Redundant External 5.25 Drive Bays: 2 x 5.25 Peripheral Drive Bay 1 x 5.25 Bay For Floppy Drive Hot-Swap Drive Bays: 8 x 3.5 SAS/SATA Expansion Slots: 7x PCI expansion slots Front Ports: 2 x USB 2.0 Dimensions (H x W x D): 25.5 x 17.2 x 7.0 Weight: 62 lbs. Gross