Athena Power RM-DD4U48ER508 Black 1.2mm Steel 4U Rackmount Server Case 500W 80 PLUS 8 External 5.25 Drive Bays Motherboard Compatibility: Micro ATX / ATX / Mini ITX / E-ATX Power Supply: 500W 80 PLUS External 5.25 Drive Bays: 8 Expansion Slots: Full Height Expansion Slot x7 120mm Fans: 3 Dimensions (H x W x D): Chassis: 24.6D x 19W x 7H Power Supply: 7.48L x 5.91W x 3.31H Weight: Chassis: 28.6 lbs. Power Supply: 9 lbs.