Phanteks SK140 High Airflow 140mm Black DRGB PWM Fan The SK D-RGB PWM fans provide a high airflow cooling solution with the nine-bladed design. Integrated with D-RGB lighting in the hub, the fans light up with smooth and vibrant colors. With built-in PWM capabilities the fans offer precise control for high airflow or quiet cooling configurations. The included rubber dampeners and the unique rigid frame design further reduce vibrations and noise. The SK D-RGB PWM fans are the perfect way to further increase the cooling performance of any computer chassis. Phanteks SK120 Features 140mm PWM Fan Optimized for Silent Fan Curve High Airflow Nine-Blade Design Sync with Addressable RGB Motherboards Rubber sound dampeners absorbs fan vibrtations