Model PC-O11DX PC-O11DW Color BLACK Dimensions (W)272mm x(H)446mm x(D)445mm Case Type Tower Chassis Structure Dual chamber Materials (Front)Tempered Glass+Aluminum (Side)Tempered Glass (Body)Steel Expansion Slot 8 Drive Support 6 x 2.5″SSD or 3 x 2.5″SSD+ 3 x 3.5″ HDD I/O Ports USB3.0 x2 , HD Audio USB3.1 Type-C x1 , HD Audio M/B Type E-ATX / ATX / Micro-ATX / Mini-itx Fan (Top) 120mm x3 / 140mm x2(Option) (Side) 120mm x3(Option) (Bottom) 120mm x3 (Option) Radiator 120x 360mm / 120x 240mm / 140x 280mm VGA Card length ≤420mm , height ≤159mm CPU Cooling ≤155mm PSU 2，(L)210mm~255mm(max) Filter (Top) x1，(Side) x2, (Bottom) x1