Game-style looking interior black-orange coating Support for 5 fans: Rear 120mm fan x 1(pre-installed), Front 120mm fans x 2 (optional), Side 120mm fans x 2 (optional) Advanced USB3.0 ports for maximum data transfer speed 2.5″HDD/SSD trays x 3 ; 3.5″HDD trays x 3 USB 3.0 x1/USB 2.0 x1/HD audio