DIYPC Alnitak-BK Black USB 3.0 ATX and Micro-ATX Mid Tower Gaming Computer Case with 3 x 120mm Blue Fans (Pre-installed) Motherboard Compatibility: Micro ATX / ATX / Mini-ITX Front Ports: 1 x USB 3.0 / 2 x USB 2.0 / Audio 120mm Fans: Front: 1 x 120mm LED Blue Fan (pre-installed) Side: 1 x 120mm LED Blue Fan (pre-installed) Rear: 1 x 120mm Blue Fan (pre-installed) Power Supply Mounted: Bottom External 5.25 Drive Bays: 1 Internal 3.5 Drive Bays: 4 Internal 2.5 Drive Bays: 2