Thermaltake Versa N21 Window Mid-Tower Chassis - Mid-tower - Black - SPCC - 6 x Bay - 1 x 4.72" x Fan(s) Installed - 0 - ATX, Micro ATX, Mini ITX Motherboard Supported - 10.14 lb - 5 x Fan(s) Supported - 1 x External 5.25" Bay - 1 x External 3.5" Bay - 3 x Internal 3.5" Bay - 1 x Internal 2.5" Bay - 7x Slot(s) - 3 x USB(s) - 1 x Audio In - 1 x Audio Out: