be quiet! SilentWings fans stand for advanced technology, virtually inaudible operation and superior cooling. The third generation of this amazing 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 SilentWings 3 120 mm model combines all of the above great features. It strikes the perfect balance between cooling and meets all the requirements to be a perfect choice for heat sinks, PC cases and radiators.