SUPERMICRO CSE-811TQ-280B Black 1U Rackmount Server Case 280W Motherboard Compatibility: 12 x 10 ATX Power Supply: 280W Hot-Swap Drive Bays: 2 x 3.5 SAS / SATA Expansion Slots: 1x full-size full-length PCI, PCI-X, or PCI-Express expansion slot (via riser card - not included) Dimensions (H x W x D): 22.6 x 16.8 x 1.7 Weight: 28 lbs.