"Pure Wings 2 Outstanding Reliability and Silent Cooling.N/AN/AThe Pure Wings 2 80mm fans bring famous be quiet! silent cooling to entry level computing yet are also appropriate for gaming and multimedia systems. N/AN/ACombining 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."N/AN/A<b>VERY QUIET OPERATION</b>N/AAchieves a great price-for-performance ratioN/AThe 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.N/AN/A<b>SILENCE-OPTIMIZED FAN BLADES</b>N/AFor even better coolingN/AThanks 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.N/AN/A<b>RIFLE BEARING TECHNOLOGY</b>N/AGives the fan a very long lifespanN/AThe 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 80000 hours.