PC Fan - size: 120 × 25mm, 1500 RPM, 12 V, maximum noise level of up to 20,2 dB, 4pin PWM, PWM Thanks to unique technologies, the Pure Wings 2 fan has an optimized airflow. Effectively blows cool air into the cabinet and delivers extremely silent traffic to keep you from disturbing.Pure Wings 2 delivers airflow to a cabinet to improve the cooling efficiency of all components. Thanks to the specially shaped blades and the needle bearing, the fan is silent and will not disturb you while working or playing games. With integrated PWM technology, the fan is compatible with a range of plates that support intelligent speed change. This makes even less noise, as the fan automatically adjusts to the performance of your computer. The fan can be completely idle or operate at full capacity when needed.Key featuresOptimised, quiet airflowUnique blade constructionLifetime up to 80,000 hoursAutomatic Speed ??Control (PWM)