Fractal Design Define R4 Titanium Grey Computer Case - Mid-tower - Titanium Gray - Steel, Rubber - 12 x Bay - 2 x Fan(s) Installed - ATX, Micro ATX, Mini ATX Motherboard Supported - 27.12 lb - 7 x Fan(s) Supported - 2 x External 5.25" Bay - 8 x Internal 3.5" Bay - 2 x Internal 2.5" Bay - 8x Slot(s) - 4 x USB(s) - 1 x Audio In - 1 x Audio Out