RPC Carcasa AB50UDB Black 500W Type Middle Tower ATX Chassis SPCC 0.4 mm, black Mainboards mATX / ATX PSU 500 W (positioned up) 5.25″ Drive Bay 1 Internal 3.5″ Drive Bay 1 Internal 2.5″ Drive Bay 2 Internal Expansion Slots 7 Maximum CPU length 140 mm Maximum length for video card 270 mm Front I / O Ports USB 3.0 x 1 USB 2.0 x 2 Microphone & HD Audio Cooling System Front: 120 mm fan x 1 (optional) Top: 120 mm fan x 1 (optional) Side: 120 mm fan x 1 (optional) Rear: 8 mm fan x 1 (optional) Di