Be Quiet! is out with the SilentWings PWM series of case fans. Available in sizes of 80 mm, 92 mm, and 120 mm, the fans feature blades with ridged surfaces. The PWM controlled motor allows user cotnrol over the fan speed. The copper-core fluid dynamic bearing ensures longer service life of 300,000 hours. The fan frame comes with a screw-less mounting system.

The 80 mm model comes with a rotational speed range of 500 ~ 2,000 rpm, 16.5 dBA of noise output, and up to 44.3 m³/h of airflow. The 92 mm model on the other hand, has a rotational speed ranged between 470 ~ 1,800 rpm, 17.5 dBA noise output, and 55.4 m³/h airflow. And lastly, the 120 mm one spins between 500 ~ 1,500 rpm, with a noise output of 18.5 dBA, and 85.5 m³/h of airflow. The three are priced between 11 to 14 EUR.