Pure Duo 12 ARGB Sync radiator fan is a 120mm PWM controlled fan with a 16.8 million color addressable LED ring that supports 5V RGB capable motherboards, which features 2 independent rings and 9 addressable LEDs on each ring, the Pure Duo fan gives great light coverage, uniform color and brightness. The built-in LED ring can light up your build with 16.8 million colors