be quiet! Silent Wings fans stand for state-of-the-art technology, virtually inaudible operation and superior cooling. The third generation of this award-winning fan series offers unrivaled and uncompromising performance with a broad range of meticulous optimizations. They feature a smooth-running 6-pole motor, an advanced fluid-dynamic bearing, a unique airflow-optimized fan blade design and a fan frame with funnel-shaped air inlets. The Silent Wings 3 120mm PWM model combines all of the above best-in-class features. It strikes the perfect balance between cooling and silence with a maximum of 16. 4db(A) and meets all the requirements to be a perfect choice for heat sinks, PC cases and radiators.