TOPOWER TP-2066B-450U-H3 2U Rackmount Server Chassis w/ 450W Power Supply 4 External 5.25 Drive Bays Motherboard Compatibility: 12 x 13 PC / AT / ATX Power Supply: w/ 450W Power Supply External 5.25 Drive Bays: 4 Expansion Slots: 3 Horizontal slot Dimensions (H x W x D): 26 x 19 x 3.5 Parts: 1 year limited