Thermaltake Core V1 Extreme Mini ITX Cube Chassis, Compatible with air and Liquid Cooling Builds (CA-1B8-00S1WN-00) Motherboard Compatibility: Mini-ITX (6.7 x 6.7) Front Ports: 2 x USB 3.0 / 1 x HD Audio 120mm Fans: Front: 1 x 120mm or 1 x 140mm or 1 x 200mm fan Side Panel Window: Transparent Window (Interchangeable) Internal 3.5 Drive Bays: 2 Internal 2.5 Drive Bays: 2 Expansion Slots: 2