SpecificationsMfr Part Number: DS-539Features:Tool-less device installationThermally optimizedExcellent EMI shieldingCan be used as a tower or desktop2 tower placement stands includedCase Type: MicroATX Media Center / HTPC CaseColor: BlackMaterial: SteelM/B Type: MicroATX, Flex ATXDrive Bays: 4External Bay: 1x 5.25", 1x 3.5"Internal Bay: 2x 2.5" / 3.5"Expansion Slots: 4x Low-Profile Expansion SlotsCooling System: 1x 60mm Cooling FanSide Windows: NoFront I/O Panel: 2x USB 3.0 Ports, 2x USB 2.0 Ports, 2x HD Audio PortsPower Supply: 275W ATX12V TFX Power SupplyDimensions (WxDxH): 3.75 x 16.75 x 13.25 inch