LIAN LI PC-Q01A Silver Aluminum Mini-ITX Tower Computer Case Motherboard Compatibility: Mini-ITX or MINI DTX Front Ports: USB3.0 x2 HD Audio 120mm Fans: System Fan (Rear): 120mm Fan x1 System Fan (TOP): 140mm or 120mm Fan x2 (Optional) Internal 3.5 Drive Bays: 2 Internal 2.5 Drive Bays: 2 Expansion Slots: 2 Max CPU Cooler Height Allowance: 90 mm