SUPERMICRO CSE-809T-780B Black 1U Rackmount Server Case 780W Motherboard Compatibility: Supports twin motherboard of size up to: 6.8 (173mm) x 18 (457mm) Power Supply: 780W Hot-Swap Drive Bays: 4 x 2.5 SAS / SATA (per Node) Expansion Slots: 1x Low Profile expansion slot (per Node) Dimensions (H x W x D): 27.75 x 17.2 x 1.7 Weight: 29 lbs.