[9 Pre-Installed 120mm ARGB Fans]-- Suitable for enhanced cooling. With the pre-installed ARGB controller you can sync it with the motherboard, each addressable ARGB fan offers 16.8 million colors for exceptional customizable lighting. You don't need to pay extra for fans. Only when the 5V-3PIN cable on the control board is connected to the motherboard can the ARGB light synchronization be realized.