Cooler Master Silencio S400 Computer Case - Midi Tower - Black - Steel, Plastic - 9 x Bay - 2 x 4.72" x Fan(s) Installed - 0 - Mini ITX, Micro ATX, ATX Motherboard Supported - 15.50 lb - 5 x Fan(s) Supported - 1 x External 5.25" Bay - 4 x Internal 3.5" Bay - 4 x Internal 2.5" Bay - 4x Slot(s) - 2 x USB(s) - 1 x Audio In - 1 x Audio Out: