The Pure Wings 2 120mm PWM high-speed fan brings exceptional be quiet! cooling to entry level computing. The extremely high air pressure makes it a perfect choice for powerful water- and air-cooled systems. Due to the extremely high air pressure produced the Pure Wings 2 120mm PWM high-speed fan is especially recommended for powerful water- and air-cooled systems. It makes the fan the perfect choice for performance systems which need massive cooling like gaming and multimedia systems.