In Win Micro-ATX Chassis - Black - 300 W - Power Supply Installed - Micro ATX, Mini ITX Motherboard Supported - 1 x Fan(s) 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) - 2 x USB 3.0, 2 x USB 2.0, 4 x USB 2.0 - 1 x Audio In - 1 x Audio Out - Fan Cooler: