In Win BL631 Computer Case - Small - 5 x Bay - 1 x 3.15" x Fan(s) Installed - 1 x 300 W - Power Supply Installed - Micro ATX, Mini ITX Motherboard Supported - 1 x External 5.25" Bay - 1 x External 3.5" Bay - 2 x Internal 3.5" Bay - 1 x Internal 2.5" Bay - 4x Slot(s) - 4 x USB(s) - 1 x Audio In - 1 x Audio Out: