In Win C Series ATX Mid Tower Chassis - Mini-tower - SECC, Metal, Steel - 450 W - Power Supply Installed - ATX Motherboard Supported - 3 x External 5.25" Bay - 2 x External 3.5" Bay - 3 x Internal 3.5" Bay - 1 x Internal 2.5" Bay - 7x Slot(s) - 2 x USB(s) - 2 x USB 2.0, 2 x USB 3.0: