Lian Li PC-O11 Air Midi-Tower Specifications: Model O11 AIR / O11 AIR RGB Case Type Tower Chassis Structure Dual chamber Dimensions (W)270mm x(H)465mm x(D)476mm Case weight 9.5kg Color Black Material (Front)Plastic(Side)Tempered Glass(Body)0.8mm SECC Expansion Slot 8 2.5” SSD 6 3.5” HDD 3 I/O Ports USB3.0 x2 ,USB3.1 Type-C x1 , HD Audio M/B Type E-ATX / ATX / Micro-ATX Fan O11 AIR : 2x 120mm fans included and 1x120mm fan option or 140mm x 2 on the top (option) , middle 3x 120 mm (option),bottom 3x120mm(option), Front 3x120mm(option) O11 AIR RGB : 2x 120mm fans included and 1x120mm fan option or 140mm x 2 on the top (option) , middle 3x 120 mm (option),bottom 3x120mm(option), Front 3x120mm(option) RGB Fans included or 2x 140 mm (option) Radiator 120x 360mm / 120x 240mm / 140x 280mm VGA Card length ≤420mm , height ≤159mm CPU Cooling ≤155mm PSU (Optional),(L)210mm~255mm(max) Filter (Top) x1,(Side) x2, (Bottom) x1, (Front) x1