Akasa 140mm APACHE Black Silent Case Fan HDB Long Lifespan Bearing PWM Auto Speed Control IP 54 Dust & Water Proof For PCs, Heatsink, CPU cooling and Ventilation AK FN062

[ Aerodynamic S-FLOW Blade ] - Optimised S curved fan blades design achieves powerful airflow & air pressure for impressive cooling capabilities. [ Ultra-quiet Acoustics ] - Tool-free & Anti-vibration rubber fan mounts reduce fan vibration noise. Perfect choice for quiet environments such as home, office, gaming and multimedia systems. [ IP54 Dust & Water Proof ] - Certified IP-54 military standard, dust and moisture resistant technologies ensure the fan will last even in harsh, outdoor conditions. [ Intelligent PWM ] - APACHE fan with PWM auto speed control ensures low noise operation of only 12.5 -22.19 dB(A) during regular PC use or under high system load. [ Extended Lifespan ] - Hydro-Dynamic Bearing technology maintains constant bearing lubrication, prolonging life expectancy up to 50,000 hours.