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Noctua NF-B9 PWM 92x92x25mm PWM Bevelled Blade Tips with Vortex-Control Notches SSO Bearing Fan
- Beveled blade tips reduce critical rotor/ stator interaction, combine a higher blade surface area with quieter operation and form a cornerstone of the fan's efficiency.; Vortex-control notches split up trailing edge vortices and spread the fan's noise emission over a wider range of frequencies.; Supporting fully automatic speed control, the NF-B9 uses Noctua's novel, custom-designed NE-FD1 IC that integrates Smooth Commutation Drive (SCD) technology.; The NF-B9 PWM is supplied with a Low-Noise Adaptor (L.N.A.) that reduces the maximum fan speed from 1600 to 1300rpm. The L.N.A can run the fan at a fixed speed of 1300rpm or cap the maximum speed when using automatic control.
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Overview
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The classic NF-B9 92mm fan helped to found Noctuas reputation as a top-tier manufacturer of premium quality quiet cooling components and still impresses users with its exquisite quietness and superb performance. The new PWM version features Noctuas novel, custom designed PWM IC for fully automatic control and ultra-low power consumption. Equipped with Noctuas signature SSO bearing and topped off with a 6 years manufacturers warranty, the NF-B9 PWM is a proven premium choice for the highest demands.
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