Fractal Design Define Mini Black Silent MATX Mini Tower Computer Case Motherboard Compatibility: Micro-ATX / Mini-ITX Front Ports: 1 x USB 3.0 / 1 x USB 2.0 / Audio 120mm Fans: rear: 1 x Fractal Design 120mm @ 1200rpm (included) front: 1 x Fractal Design 120mm @ 1200rpm (included) front: 1 x 120mm fan (optional) top: 1 x 120/140mm fan (optional) bottom: 1 x 120mm fan (optional) side panel: 1 x 120mm/140mm fan (optional) Power Supply Mounted: Bottom External 5.25 Drive Bays: 2 (with one 5.25 > 3.5 inch converter included) Internal 3.5 Drive Bays: 6 (Compatible with SSD)