No Compromise Silence and Performance Be quiet! SilentWings® 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 inletsThe SilentWings® 3 120mm 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. Practically Silent Operation Nine silence-optimized fan blades with high airflow capabilities reduce noise-generating turbulences while increasing air pressure . Very quiet operation even at maximum speed with noise of 19.2 dB(A) Product conception design and quality control in Germany Perfect choice for Home and Office PCs Gaming and Multimedia systems . Especially recommended for use in water cooling and CPU cooling builds . High-quality rifle bearing technology contributes to a very long lifespan of up to 80000 hours . Winner of the prestigious Red Dot Design Award 2014 . Three year warranty .  .