Outstanding Reliability And Silent Cooling The Pure Wings 2 family fans are unique in their class combining outstanding reliability silent cooling and a great price-for-performance ratio. It's impressive how much quiet technology the German engineering team has crammed into these fans at this amazing price. They are the ultimate reason to put well-known be quiet! silent cooling in your PC if you haven't already done soThe Pure Wings 2 120mm model combines all of the above essential features. It provides maximum cooling airflow and operating noise levels down to a silent 19.2 dB(A). The increased air pressure makes the fans especially recommended for use in water cooling and air cooling setups. 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 .   .