D GeneralityModelD125Sheet Metal MaterialSGCCSheet Metal Thickness1.0mmPlastic Material TypeABSMother Board SupportForm Factor ATX (12"x9.6")Processor SupportUP P4/LGA775 (Intel) UP Pentium-D (Intel) DP Nocona (Intel)Dimensionsmm (D x W x H)550x 430 x 44inch (D x W x H)21.6" x 16.9" x 1.7"Drive BaysHDD Trays1(max=2)CD-ROM1PSU SupportSwitch/Controls1u StandardMax. Wattage600WFront 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 opening1Riser CardOptionalFront Bezel OptionOptionalSystem Cooling Fansside blow3*high performance Fan 10000r/pm 40mmx40mmx28mm what's new HDD anti-shot protection high performance cooling fans