Thermaltake Commander MS-I ID VN400A1W2N Black SECC ATX Mid Tower Computer Case Motherboard Compatibility: Micro ATX / ATX Front Ports: 2 x USB 2.0 / Audio 120mm Fans: Front (Intake) 120 x 120 x 25 mm x 1 Optional Rear (Exhaust) 120 x 120 x 25 mm Blue LED fan x 1 Included (1300rpm, 17dBA) Top (Exhaust) 120 x 120 x 25 mm x 1 Optional Bottom (Intake) 120 x 120 x 25 mm x 1 Optional Power Supply Mounted: Bottom Side Panel Window: Transparent Window External 5.25 Drive Bays: 3 External 3.5 Drive Bays: 1