GeneralityModelR316Sheet Metal MaterialSGCCSheet Metal Thickness1.0mmPlastic Material TypeABSMother Board SupportForm FactorEEB (12"x13") CEB(12"x10.5") ATX (12"x9.6")Processor SupportDP Xeon (Intel) DP Opteron (AMD) UP P4/LGA775 (Intel) UP Pentium-D (Intel) DP Nocona (Intel)Dimensionsmm (D x W x H)650 x 430 x 132inch (D x W x H)25.5" x 16.9" x 5.1"Drive BaysHot-swap HDD Trays16(inner HDD)SLIM CD-ROM1SLIM FDD1PSU SupportSwitch/ControlsStandard ATX,RedundantMax. Wattage1500WFront PanelSwitch/ControlsPower On/Off System ResetIndicatorsPower Status LED(x1) Alarm LED (x1) HDD Activity LED LAN Activity LED(x2)Access I/OUSB 2.0(x1)Expansion slot & Rear WindowI/O windowStandard, Switchableslot opening7Riser CardOptionalFront Bezel OptionOptionalSystem Cooling FansMiddle 7*high performance Fan 10000r/pm 2*80mmx80mmx38mm 3U hot-swap rackmount chassis server case