Motherboard Compatibility: Micro-ATX (9.6"x9.6") External 5.25" Drive Bays: 1 Internal 3.5" Drive Bays: 4 Front Ports: USB 80mm Fans: 2 Dimensions: 16.9" x 15.25" x 3.5" Features: 2U rackmount design,meets EIARS-310C standard 1 x 5.25" drive bay, 4 x 3.5 " drive bays (maxium 5) 2x80mm ball bearing fans for better ventilation Smooth border prevent lacerating your skin Parts: 1 year limited