Gigabyte SUMO 4112 ATX Full Tower Case Brushed SECC body and panels Interchangeable side panels: vented steel mesh or transparent acrylic Security lock on side panel Retractable stabilizing feet With free 2.5" enclosure and built-in dock for this plug??n play enclosure Disc storage design at the back of the front aluminum door Supports future upgrades of liquid-cooling with pre-modifications Tool-less installation Cable-managed interior RoHS ready