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NF-B9 PWM 92mm Cooling Fan
(14 customer ratings)

Noctua NF-B9 PWM 92mm Cooling Fan

- Replaced by the Noctua NF-A9 PWM 92mm Premium Quality Fan

The new NF-B9 PWM fan from Noctua takes the very popular NF-B9 fan and adds PWM functionality to allow automatic fan speed adjustment.


  1. Proven NF-B9 Design
  2. Pressure-optimised Nine-Blade Design
  3. Vortex-Control Notches
  4. Custom designed PWM IC with SCD
  5. Low-Noise Adaptor

The classic NF-B9 92mm fan helped to found Noctua's 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 Noctua's novel, custom designed PWM IC for fully automatic control and ultra-low power consumption. Equipped with Noctua's signature SSO bearing and topped off with a six years manufacturer's warranty, the NF-B9 PWM is a proven premium choice for the highest demands.

For more information on the technical background of the fan please visit Noctua's website here.

SpecificationsNF-B9 PWM
Size92x92x25 mm
Connector4-pin PWM
Blade GeometryPressure-optimised Nine Blade Design with Vortex-Control Notches
Rotational Speed (±10%)1600 RPM
Rotational Speed with L.N.A. (±10%)1300 RPM
Min. Rotational Speed (PWM)300 RPM
Airflow37.8 CFM
Airflow with L.N.A.30.9 CFM
Acoustical Noise17.6 dB(A)
Acoustical Noise with L.N.A.13.1 dB(A)
Static Pressure1.61 mm H2O
Static Pressure with L.N.A.1.09 mm H2O
Max. Input Power0.96 W
Max. Input Current0.08 A
Voltage12 V
MTBF> 150.000 h
Warranty72 months
EAN barcode4716123314738

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