"Pure Wings 2 – Outstanding Reliability and Silent Cooling.The Pure Wings 2 80mm fans bring famous be quiet! silent cooling to entry level computing, yet are also appropriate for gaming and multimedia systems. Combining outstanding reliability, quiet operation, and a great price-for-performance ratio, Pure Wings 2 80mm is unique in its class. They are the ultimate reason to put well-known be quiet! silent cooling in your PC."VERY QUIET OPERATIONAchieves a great price-for-performance ratioThe Pure Wings 2 80mm fan operates at only 18.2dB(A) even at maximum speed. The perfect choice for silent home and office PCs as well as gaming and multimedia systems.SILENCE-OPTIMIZED FAN BLADESFor even better coolingThanks to its surface-optimized fan blades the airflow is enhanced, noise-generating turbulences are minimized and the air pressure is increased. This feature is the key to effective cooling.RIFLE BEARING TECHNOLOGYGives the fan a very long lifespanThe Pure Wings 2 80mm is the hallmark of outstanding reliability. This is achieved by its high-quality rifle bearing technology, which assures a very long lifespan of up to 80,000 hours.