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Brown 92mm square case fan with beige blades and black frame, four corner mounting holes, 4-pin PWM connector visible

Noctua

Noctua NF-B9 PWM 92mm case fan 1600 RPM

SKU CH-QQ8F-H55B6 MPN NF-B9 PWM

A 92 mm PWM case fan delivering up to 64.3 m³/h at 1600 RPM with a low 17.6 dBA noise level

  • Fan Counts1 Fan
  • Fan ControllerNo Controller
  • TypeCase Fan
  • CompatibilityCase
  • Fan Size92mm
  • Fan Thickness25mm
  • Quiet operation at 17.6 dBA standard noise
  • Reduced noise to 13.1 dBA with included Low-Noise Adapter
  • High airflow of 64.3 m³/h at full speed
  • SSO bearing design for long-term reliability
  • PWM control from 300 to 1600 RPM for flexible speed management

92mm PWM case fan for quiet builds

The Noctua NF-B9 PWM is a 92mm case fan designed for systems where low noise and reliable cooling matter. Its 25mm thickness fits standard mounting points in compact chassis and on compatible CPU coolers. The 4-pin PWM connector enables automatic speed control from supported motherboards.

SSO bearing and vibration damping for stable

The fan uses a self-stabilising oil-pressure bearing rated for long service life. Bevelled blade tips and vortex-control notches reduce turbulence across the speed range. Four silicone vibration compensators and standard screws isolate the motor from the case panel, while the bundled 4-pin Y-cable and 30cm extension simplify cable routing.

17.6 dBA at full speed with lower-speed option

At 1600 RPM the fan moves 64.3 m³/h at 17.6 dBA. The included low-noise adapter drops speed to 1300 RPM for 52.6 m³/h at 13.1 dBA. PWM control can reduce rotation to 300 RPM for near-silent idle operation. Power draw remains minimal thanks to the custom PWM IC with smooth commutation drive.

商品特色

  • Quiet operation at 17.6 dBA standard noise
  • Reduced noise to 13.1 dBA with included Low-Noise Adapter
  • High airflow of 64.3 m³/h at full speed
  • SSO bearing design for long-term reliability
  • PWM control from 300 to 1600 RPM for flexible speed management

商品規格

BrandNoctua
ModelNF-B9 PWM
Fan Counts1 Fan
Fan ControllerNo Controller
TypeCase Fan
CompatibilityCase
Fan Size92mm
Fan Thickness25mm
Bearing TypeSSO-Bearing (Self-stabilising oil-presure bearing)
RPM1600 RPM +/-10%, 1300 RPM +/-10% (w/ L.N.A), 300 RPM +/-10% (Min. Rotational Speed (PWM))
Air Flow64.3 m3/h (standard), 52.6 m3/h (w/L.N.A.)
Noise Level17.6 dBA, 13.1 dBA (w/L.N.A.)
ColorBrown
FeaturesBevelled Blade Tips Design
Vortex-Control Notches
Smooth Commutation Drive
SSO Bearing (Self-stabilizing Oil-pressure bearing) design.
Dimensions92 x 92 x 25mm
Package ContentsLow-Noise-Adapter (L.N.A)
4-Pin Y-Cable
30cm Extension Cable
4 Vibration Compensators,
4 Fan Screws
出貨重量0.23 kg
包裝尺寸180 × 147 × 36 mm

商品問答

What does the 4-pin PWM interface allow the NF-B9 PWM to do?

The custom NE-FD1 PWM IC enables fully automatic speed control from 300 RPM up to 1600 RPM with Smooth Commutation Drive for quieter switching.

What mounting hardware and clearances does the 92 mm frame need?

It fits standard 92 mm holes, is 25 mm thick, and includes four vibration compensators plus four fan screws for either screw or rubber mounting.

How is the fan installed and which step is often missed?

Plug the 4-pin connector into a PWM header, use the supplied Y-cable or 30 cm extension if needed, and attach the Low-Noise-Adapter for 1300 RPM operation.

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