Antec VSK4000E U3 Black SGCC steel MicroATX Mid Tower Computer Case Motherboard Compatibility: Micro ATX / ATX / Mini-ITX Front Ports: 2 x USB 2.0 USB 3.0 Audio In/Out 120mm Fans: 1 x 120 mm rear exhaust fan 1 x 120 mm front intake fan (optional) Power Supply Mounted: Top External 5.25 Drive Bays: 3 x 5.25� external drive bays Internal 3.5 Drive Bays: 5 x 3.5 internal HDD bays