GeneralityModelDP215Sheet Metal MaterialSGCCSheet Metal Thickness1.0mmPlastic Material TypeABSMother Board SupportForm FactorCEB(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)550 x 430 x 43.5inch (D x W x H)21.6" x 16.9" x 1.7"Drive BaysHDD Trays6 (Max=9)CD-ROM (5.25")1 (Conversion)FDD1PSU SupportSwitch/ControlsATXMax. Wattage1000WFront 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 opening9Riser CardOptionalFront Bezel OptionOptionalSystem Cooling FansMiddle4*high performance Fan 3000r/pm 80mmx80mmx25mm 80mmx80mmx38mm (optional)