Case fans help protect your whole computer investment by providing case cooling to reduce component-killing heat buildup, thus increasing the longevity of components. Features: * Ball Bearing design * Volumetric Airflow 79 CFM * Fan Speed 2,000 rpm * Acoustic Noise 29.8 dBA * Size: 120 x 120 x 25.4mm * Package Dimensions: 1.6"(L) x 7.2"(W) x 8.7"(H) 4.06cm(L) x 18.29cm(W) x 22.10cm(H) * Package Weight: 0.5 lbs/0.23 kgs