21336BitFenix Spectre Pro White 140mm PWM Fanhttps://www.pccasegear.com/products/21336/bitfenix-spectre-pro-white-140mm-pwm-fanhttps://files.pccasegear.com/images/BF-SPRO-140W-PWM-thb.jpgOutOfStock25AUDBitFenixEngineered for both silent operation, stealth appearance and maximum airflow. Fluid Dynamic Bearing, 4-pin connector, 500-1800 RPM ~10%, 122.2CFM, 29.2 dBA.