Thermaltake Chaser A31 Snow Edition - Mid-tower - Black, White - Steel, Plastic - 9 x Bay - 2 x Fan(s) Installed - 0 - ATX, Micro ATX Motherboard Supported - 14.33 lb - 6 x Fan(s) Supported - 3 x External 5.25" Bay - 6 x Internal 3.5" Bay - 7x Slot(s) - 2 x USB(s) - 1 x Audio In - 1 x Audio Out