Noctua NF-B9 PWM 92mm Quiet Computer Cooling Fan.
Noctua NF-B9 PWM 92mm Quiet Computer Cooling Fan


Product Details - Noctua NF-B9 PWM Quiet Computer Cooling Fan 92mm
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 6 years manufacturer's warranty, the NF-B9 PWM is a proven
premium choice for the highest demands.


Unique Features

  • The Noctua NF-B9 PWM Quiet Computer Fan.

  • The Noctua NF-B9 PWM has unique Bevelled Blade Tips Design.

  • The Noctua NF-B9 PWM quiet PC fan components and retail packaging.

  • The Noctua NF-P12 PWM has unique Pressure-optimized Nine-Blade Design.

  • The Votex Notches reduce high-frequency humm

  • The SSO bearing is a noiseless PC fan motor


Noctua NF-B9 PWM Product Specification.

Size
92x92x25 mm

Connector
4-pin PWM

Bearing
SSO

Blade Geometry
NF-B9 Blade Design

Rotational Speed (+/- 10%)
1600 RPM

Rotational Speed with L.N.A. (+/- 10%)
1300 RPM

Min. Rotational Speed (PWM)(+/- 10%)
300 RPM

Airflow
64.3 m³

Airflow with L.N.A.
52.6m³

Acoustical Noise
17.6 dB(A)

Acoustical Noise with L.N.A.
13.1 dB(A)

Static Pressure
1.61 mm H2O

Static Pressure with L.N.A.
1.09 mm H2O

Max. Input Power
0.96 W

Input Current
0.08 A

Voltage Range
12V

MTBF
> 150,000 h



Scope of Delivery

•Low-Noise Adapter (L.N.A.)
•4-Pin y_Cable
•30cm Extension Cable
•4 Vibration Compensators
•4 Fan Screws

Warranty 6 years



Noctua NF-B9 PWM Features.

Proven NF-B9 Design
Tens of thousands of quiet cooling enthusiasts swear by Noctua’s classic NF-B9. Its impressive quietness, excellent performance and impeccable, time-tested quality made the B9 a
default choice for 92mm quiet cooling.

Pressure-optimized Nine-Blade Design
Reducing critical rotor stator interaction, the NF-B9’s Bevelled Blade Tips permit to combine a higher blade surface area with quieter operation and thus form a cornerstone of the fan’s
outstanding efficiency.
More Information

Vortex Control Notches
Noctua’s signature Vortex-Control Notches split up trailing edge vortices and thus spread the fan’s noise emission over a wider range of frequencies. This measure makes the NF-B9
PWM sound more pleasant to the human ear.
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SSO Bearing
Combining the proven concept of hydrodynamic bearing with an additional magnet that supports the self-stabilisation of the rotor axis, Noctua’s time-tested SSO-Bearing technology has
become synonymous with supremely quiet operation and exceptional long-term stability.
More Information

Custom designed PWM IC with SCD
Supporting fully automatic PWM speed control, the NF-B9 uses Noctua’s novel, custom designed NE-FD1 PWM IC that integrates Smooth Commutation Drive (SCD) technology. By
providing smoother torque impulses, SCD suppresses PWM switching noises and thus makes the fan quieter at lower speeds.
More Information

Low-Noise Adapter
The NF-B9 is supplied with a Low-Noise Adapter (L.N.A.) that reduces the maximum fan speed from 1600 to 1300rpm. The L.N.A can be used either to run the fan at a fixed speed of
1300rpm or to cap the maximum speed when using automatic PWM control.

Extensive Cabling Options
The fan’s short 20cm primary cable minimizes cable clutter in typical applications while the supplied 30cm extension provides extended reach when necessary. Both cables are fully
sleeved and a 4-pin y-cable allows to connect a second NF-P12 fan to the same PWM fan header for automatic control.

6 years manufacturer’s warranty
Noctua fans are renowned for their impeccable quality and outstanding longevity. Like all Noctua fans, the NF-B9 features an MTBF rating of more than 150.000 hours and comes with a
full 6 years manufacturer’s warranty.
Noctua NF-B9 PWM 92mm Quiet Computer Cooling Fan
Image showes the Noctua Products Logo.
The Noctua NF-B9 PWM quiet PC fan components and retail packaging.
$20.99
Add-Fan-Gasket
Add-Fan-Grill
Orderable
Yes
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Why not spare your hearing with Acoustic PC’s Quiet Computer Cooling and Soundproofing
Solutions. Acoustic PC Stocks Quiet Computer Parts. Quiet PC Fans, Quiet CPU Coolers, Quiet
Power Supply, Quiet Computer Cases, PC Sound Dampening insulation, Ant-vibration Noise
Reduction materials such as Silicone Fan Mounts, Sorbothane Feet for Ultra Low noise PC's. We
also sell Silent PC Hardware components and Gaming products such as Fanless Silent Video
cards, SSD Drives, Professional Gaming peripherals for serious Gamers. Audio products & more.
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