Product Detail 2U rackmount design,Drive Bay:Supports eight 3.5" drives and one 5.25"drive,Cooling Fan: 4x80mm middle fans Switch:Power ON/OFF x 1, System reset x 1 ,Indicator:Power ON/OFF x 1, HDD x 1, NETWORK X 2,Connector:One front accessible USB port Motherboard Compatibility:Support CEB(12"x10.5"), ATX (12"x9.6"),CPU Compatibility: Support DP Xeon (Intel), DP Opteron (AMD), UP P4/LGA775 (Intel), UP Pentium-D (Intel), DP Nocona (Intel) Power Supply Options:Standard ATX, standard 2U power supply ,Dimensions ( W x D x H ):19" x 21.6" x 4.3 " (483mm x 550mm x 88mm) Packing:Double boxes . The "RPC-250 Black 2U Rackmount Chassis" is best product for you. We recommended RPC-250 Black 2U Rackmount Chassis