be quiet! delivers fans with a nice evolution. The construction is solid and the fans smell like quality. As far as performance is concerned, the Silent Wings 4 offer good performance, especially the High Speed versions.
Pause Hardware comes up with a review of the Silent Wings 4 in 120 mm PWM, 120 PWM High Speed and 140 mm PWM High Speed from be quiet!. The media details the contents of the boxes and fans, their characteristics and performance. The reviewer highlights the design, the black color and the material of the fans which gives them a premium and qualitative look. He is satisfied with the airflow and the rotation, however he points out several times the performance of the high speed versions. Finally, the tester liked the build quality, the generated airflow and the static pressure. The test ends with a score of 8.5 out of 10, the journalist liked the fans very much but expresses a slight regret about the impossibility of lighting them and the noise they emit at full power, although logical and avoidable depending on the settings.