NORCO RPC-2304 2U Rackmount 2U Short Depth Rackmount Chassis with 4 x Hot Swap Trays Standard ATX power supply Motherboard Compatibility: Support Micro-ATX (9.6x9.6), ITX (6.7 x 6.7) motherboard Power Supply: Standard ATX power supply Front Ports: Two front USB ports 40mm Fans: Three optional 40mm rear fans Dimensions (H x W x D): 3.50 x 16.90 x 15.25 Weight: 18.00 lbs.