Product Description COOLER MASTER Elite RC-310-BWN1-GP Black Model RC-310 Available Color Orange, Blue, Silver / Black Blue, Pink / White Dimensions (W x H x D) 191 x 437 x 468 mm / 7.5 x 17.2 x 18.4 inch Weight Net Weight: 5.8kg / 12.8 lbs Gross Weight: 6.9 kg / 15.2 lbs Materials Steel Body ; ABS plastic front bezel Motherboards microATX, ATX 5.25″ Drive Bays 4 (exposed) 3.5″ Drive Bays 1 (exposed), 6 (hidden) I/O Panel USB 2.0 x 2, Mic x 1, Audio x 1 (supports HD audio), IEEE 1394a (optional) Cooling System Rear: 120 x 25mm fan x 1 / 1200 RPM / 17 dBA (installed), or 80/90mm fan x 1 (optional) Front: 120 x 25 mm fan x 1 (optional) Side: 80/ 90/120 mm fan x 1 (optional) Expansion Slots 7 Power Supply Type Standard ATX PS2 Maximum Compatibility VGA card length: 275mm / 10.8 inch CPU cooler height: 155mm / 6.1 inch