Product Detail 2U rackmount design,meets EIARS-310C standard. 1 x 5.25" drive bay, 4 x 3.5 " drive bays (maxium 5) ,Support Micro-ATX (9.6"x9.6") motherboard 2x80mm ball bearing fans for better ventilation ,Front accessible USB port ,Switch: Power ON/OFF x 1, System reset x 1 ,Indicator:Power ON/OFF x 1, HDD x 1, NETWORK X 2 Cooling Fan: 2 x 80mm ball bearing fans,Connector:One front accessible USB port.Power Supply Options: Standard ATX,Dimensions ( W x D x H ): 16.9" x 15.25" x 3.5" (430mm x 387.3mm x 88mm) . The "NORCO Black 2U Super Short Rackmount Chassis, Model RPC-230" is best product for you. We recommended NORCO Black 2U Super Short Rackmount Chassis, Model RPC-230