Optimised Air Flow - Up to 6 x 120 mm system fans could be installed. Provides the whole system with ventilation for better stability. ARGB Fan Included - Built-in ARGB fan for striking lighting and vivid lighting effect. The 1 to 6 ARGB LED Control board - Bundle with 1 to 6 RGB LED control board that can allow you to have more attractive ways to decorate your gaming rig by the LED strips. Tempered Glass Side panel - Premium-quality 4 mm thick tempered glass design guarantees window durability