Raidmax ATX Mid Tower Case for Computer ATX-295WU Series: Altas Type: ATX Mid Tower USB3.0 x 1, USB2.0 x 1, HD Audio x 2 Front Ports Steel / Plastic ATX Mid Tower 4 External 5.25-Inch Drive Bays 4 Internal 3.5-Inch Drive Bays Washable filter for bottom mounted PSU design