upHere PC Case Fan 120mm Case Cooler Silent Type Computer Fan 4-pin Connector 3 Black [12BK4-3]

[Superior Cooling Performance] Utilizing high-quality components, the 9 fan blades effectively improve direction change, preventing vibration and maintaining quiet operation. The airflow splitting design ensures efficient heat dissipation, rapidly lowering temperatures by 10-15°C and optimizing PC airflow. [Quiet Air Cooling Fan] The screw mounting points use vibration-resistant rubber to prevent fan vibrations from being transmitted to the PC chassis. A hole is provided in the center of the fan to allow air to pass through, ensuring the bearing is constantly cooled during operation. This increases airflow, reduces fan noise, and achieves an extremely quiet operation of 19 dBA, making it a low-noise computer fan. [PWM Function] PWM is a control system that suppresses rotation speed and automatically changes the rotation speed according to the amount of heat generated. The PWM fan can be automatically controlled according to the CPU temperature to achieve optimal cooling performance. It supports rotation speeds from 900 RPM to 1800 RPM. [Durable PC Fan] This fan employs rifle bearings, which utilize the movement during rotation and stopping to constantly circulate the fluid (lubricant) within the bearing. This ensures stable rotation, reduces friction and associated noise, and extends the lifespan by reducing deterioration over time. It can rotate continuously for 40,000 hours, making it safe for use in gaming PC cases. [High Airflow PC Fan] Standard size of 120*120*25mm. The unique design at the back of the fan blades improves airflow, and the radiator's airflow path is more scientific. Includes 3 black fans in one set, and 3 sets of mounting screws x 4. This product comes with a one-year warranty. If you receive a defective product or experience a non-human-caused failure, we will replace it free of charge. Please contact novonest JP.