Cooler Master N200 - Micro ATX Mini Tower Computer Case with Front 240mm Radiator Support and Ventilated Front Panel Motherboard Compatibility: Micro-ATX / Mini-ITX Front Ports: 1 x USB 3.0 / 2 x USB 2.0 / Audio In & Out 120mm Fans: Top: 1 x 120mm x 15mm fan (optional) Front: 2 x 120mm black fan (one XtraFlo is pre-installed, The bundled XtraFlo fans: 3-pin) Rear: 1 x 120mm black fan (XtraFlo pre-installed, The bundled XtraFlo fans: 3-pin) Side: 1 x 120mm fan (optional) Power Supply Mounted: Bottom External 5.25 Drive Bays: 1 (Max. length of 5.25 device: 170mm) Internal 3.5 Drive Bays: 3