The fans from the Fractal Design Silent Series R3 have an excellent price / performance ratio and a good performance with high reliability. The Fractal Design Silent Series R3 is one of the quietest case fans on the market. The Silent Series R3 50mm model was developed in order to achieve an excellent air flow with minimum noise. The Silent Series R3 50mm rotates at up to 3500 U / min at 11.6 m³ / h air throughput. The volume of the fan is 19 db (A), wherein a rifle bearing is used. In addition, the fan camp is very durable.