Fit for all types of systems such as home and office builds as well as gaming and multimedia systems, the Pure Wings 2 140mm Fan from be quiet! uses nine airflow- and silence-optimized fan blades with a maximum fan speed of 1000 rpm to bring quiet cooling to your rig. It generates up to 18.8 dBA of noise and 61.2 CFM of airflow when operating at maximum speed. This fan is also equipped with rifle-bearing technology, which helps to provide a reliable and long operational life of up to 80,000 hours. Protection is provided by a limited 3-year warranty.