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 designVolumetric Airflow 34 CFMFan Speed 2,600 rpmAcoustic Noise 30 dBAPackage Dimensions: 3.81cm(L) x 18.29cm(W) x 22.10cm(H)Package Weight: 0.3 lbs/0.14 kgs