Akasa 140mm Viper R Fan, PWM Case HDB Long Lifespan Bearing, Anti Vibration Rubber Mounts Included, High Airflow S FLOW Fan for Heatsink, CPU cooling and Ventilation, AK FN073

[ Ultimate Cooling Fan ] - Viper R fan in bold Killer VIPER yellow colour with round frame provides blind-spot cooling and allows 14cm fan blade on 12cm fan fitting. [ Ultimate Cooling Fan ] - Viper R fan in bold Killer VIPER yellow colour with round frame provides blind-spot cooling and allows 14cm fan blade on 12cm fan fitting. [ Intelligent PWM & SCC ] - PWM with SCC technology ensures more accurate air volumes compared to voltage regulation whilst conserving energy with smooth and silent operation. [ Extended Lifespan ] - Hydro-Dynamic Bearing technology maintains constant bearing lubrication, prolonging life expectancy up to 50,000 hours. [ Extended Lifespan ] - Hydro-Dynamic Bearing technology maintains constant bearing lubrication, prolonging life expectancy up to 50,000 hours.