SilverStone KUBLAI Series KL03-B Black 2.5mm aluminum front door, 0.8mm SECC body ATX Full Tower Computer Case Motherboard Compatibility: SSI, Extended ATX, ATX, Micro ATX Front Ports: USB / Audio / IEEE 1394 120mm Fans: 1 x 120mm front fan 1 x 120mm rear fan Power Supply Mounted: Top External 5.25 Drive Bays: 4 External 3.5 Drive Bays: 2