PC Fan - size: 92 × 25mm, 350 RPM - 1600 RPM, 12 V, maximum noise level of up to 17,6 dB, 4pin PWM, PWM The NOCTUA NF-B9 Redux 1600 PWM fan is based on the award-winning models that have made popular the renowned NOCTUA company. It uses the power of nine integrated rotor blades with a diameter of 92mm. The speed of the blades can reach up to 1600rpm. Airflow is increased by notches on the blade tips. The motherboard is connected via a 4-pin connector. The fan also offers an excellent average uninterrupted service life of over 150,000hrs (17 years!). The outstanding performance, legendary and unrivalled quiet operation, and all the other great features will be appreciated by true computer enthusiasts.Innovative and custom-made PWM IC with SCDThe NOCTUA NF-B9 Redux 1600 PWM? supports fully automatic speed control. Its main advantage is the Smooth Commutation Drive technology (SCD), which provides a smoother, less torque impulse, and...