5 Aluminum alloy+1mm steel panel-Motherboard:ITX / M-ATX / ATX-Cooling: Top:360mm x 1 | 280mm x 1(optional) | Bottom: 360mm x 1(optional)-Video Card: ≤405mm-Dimension:300mm (W) * 435mm (D) * 408mm (H)-Front IO Port: USB3.2 Gen2 Type-C*1 | USB3.0*1 | AUDIO*1+MIC*1(2 in 1)