Thermaltake Chaser Series A31 VP300A1W2N Black Steel / Plastic ATX Mid Tower Computer Case Motherboard Compatibility: Micro ATX / ATX Front Ports: 2 x USB 3.0 / Audio 120mm Fans: 1 x 120mm Front Fan 1 x 120mm Rear Fan Power Supply Mounted: Bottom Side Panel Window: Yes External 5.25 Drive Bays: 3 External 3.5 Drive Bays: 1 (Converted from one 5.25 drive bay)