AeroCool StrikeX-One Black SECC ATX Mid Tower Computer Case Motherboard Compatibility: Micro ATX / ATX Front Ports: 2 x USB2.0 / Audio+Mic 120mm Fans: Front - can install 1~3 12cm fans - (w/Fan adaptor) (optional) Top - 2 x 12 fan (optional) Bottom - 1 x 12 or 14cm fan (optional) Left Side - 2 x 12 or 14cm fans (optional) Rear - 1 x 12cm fan (included) Inner front - can install 1~3 12cm fans - (w/Fan adaptor) (optional) External 5.25 Drive Bays: 4 x 5.25 ODD Internal 2.5 Drive Bays: 6x2.5 HDD/SSD (with convertor bracket-included) or 6x3.5 HDD (with convertor bracket-included) Expansion Slots: 7 Removable Filter: Yes Dimensions (H x W x D): 17.32 x 7.09 x 18.70