Description No matter you are building a PC for gaming or multiple media, overheat always can be an issue. This nine vans fan can avoid the issue becoming a problem with an aerodynamic design to delivery sufficient airflow; Meanwhile, dual ball bearing ensures the fan has a smooth rotation and long lifespan. SILENT OPERATION The main structure is made of plastic to maintain a strong structure. The outside is covered with soft and elastic TPE material, which can absorb the operating vibration maximally. These features together with dual ball bearing can keep the fan operating quietly. HIGH PERFORMANCE This fan can push up to 66.3 CFM PWM CONTROL Based on PWM control system, the fan speed is adjustable ranging from 500-1500 RPM reduces power consumption and noise level.