Rosewill Dual Fans ATX Mid Tower Computer Case FB-04 Type: ATX Mid Tower Motherboard Compatibility: Micro ATX / ATX Internal 3.5" Drive Bays: 4 Expansion Slots: 7 2 x USB 2.0 1 x Front 120mm Fan (pre-installed) Supports ATX (12" x 9.6") and Micro-ATX (9.6" x 9.6") Motherboard Support standard ATX (PS2 form factor) power supply