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Item #: NFS12BULN
Reg. Price: $21.90
Our Price: $15.95
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Succeeding the vastly successful NF-S12, the NF-S12B is a next generation quiet fan featuring Noctua's advanced SCD2 technology as well as a highly optimized blade geometry with Beveled Blade Tips that improves its award-winning predecessor's airflow efficiency by up to 10%. Topped off with Noctua's time-tested SSO-Bearing, 6 years warranty and versatile 1200/900/600 rpm speed settings, the NF-S12B ULN is a premium quality fan for ultra-low-noise applications where maximum quietness has top priority.

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Image shows the Noctua NF-B9 80mm
  • Image shows the Noctua NF-S12B ULN Fan for near silent and quiet home computers.
    Noctua NF-S12B ULN Quiet 120mm Cooling Fan
  • Image shows the Noctua NF-S12B ULN PC Fan using the SSO Fan Bearing.
    The Noctua NF-S12B ULN uses the Self-Stabilizing Oil-Pressure Bearing
  • Image shows the Noctua NF-S12B ULN 120mm PC Fan with beveled blade tips to decrease noise and increase air flow.
    The Noctua NF-S12B ULN near silent computer fan uses the new Beveled Blade Tip design.
  • Image shows the Noctua NF-S12B ULN quiet 120mm computer fan and components with retail packaging.
    Noctua NF-S12B ULN Quiet 120mm Cooling Fan with components and retail packaging
Image shows the Noctua NF-S12B ULN quiet computer fan with beveled blade tips.


Noctua NF-S12B ULN Technical Specification

Noctua NF-S12B ULN Product Specification
Size 120x120x25 mm
Bearing SSO-Bearing
Blade Geometry NF-S12B Blade Design with BBT
Rotational Speed (+/- 10%) 700 RPM
Rotational Speed with U.L.N.A. (+/- 10%) 500 RPM
Airflow 56,9 m³/h -33.49 cfm
Airflow with U.L.N.A. 38,2 m³/h - 22.48 cfm
Acoustical Noise 6,8 dB(A)
Acoustical Noise with U.L.N.A. 5 dB(A)
Static Pressure 0,44 mm H2O
Static Pressure with U.L.N.A. 0,23 mm H2O
Input Power 0,6 W
Input Current 0,05 A
Voltage Range 12 V
MTBF > 150.000 h
Scope of Delivery
  • Ultra-Low-Noise Adapter (U.L.N.A.)
  • 4 Vibration Compensators
  • 3:4-Pin Adapter
  • 4 Fan Screws
Warranty 6 years

Noctua NF-S12B ULN Features

Noctua NF-S12B ULN Features.
Image shows Beveled Blade tips design.

Highly optimized impeller with Beveled Blade Tips
Thanks to its further refined blade geometry with extended leading edges and Beveled Blade Tips, the NF-S12B achieves up to 10% more airflow and static pressure than its much acclaimed predecessor at the same noise level.

Image shows the ULN 2 speed settings.

2 speed settings for maximum quietness
Providing 700 and 500 rpm speed settings via the supplied adapter, the ULN (Ultra-Low-Noise) version is tailor made for serious silent enthusiasts who demand super-slow running speeds and utmost quietness of operation.

Image shows the SC Drive 2 design.

Smooth Commutation Drive 2
The latest version of Noctua's advanced SCD drive system ensures superb running smoothness by eliminating torque variations and switching noises.

Image shows the SS0-Bearing design logo.

Noctua's time-tested SSO-Bearing technology has become synonymous with supremely quiet fan operation and exceptional long-term stability.

More Information

Datasheet for Noctua NF-S12B ULN

Noctua NF S12B ULN Product Reviews

Noctua NF-S12B ULN Product Reviews.
Extremely efficient and effective way to improve the flow of air. Read more (translated by Google) at
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What I got in return is exactly what I wanted - fans that keep everything in my PC extremely cool without making a bunch of noise. In fact, I use all four fans without any of the Low Noise Adapters, and I can't even hear them. Read the full review at
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I love this fan for its performance and dB/A ratio... If you have a need for a quiet fan that has plenty of CFM this is the fan for you. Read the full review at
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Quiet PC USA is the North American Exclusive Distributor for Acousti Products and an authorized US distributor for Coolink, Cubitek, Noctua, and NOFAN manufacturers. Image shows US and CAN flags.

Quiet PC USA is the Exclusive North American distributor for Acousti Products and an authorized US distributor for Coolink, Cubitek, Noctua, and NOFAN Corporation manufacturers of quiet computer components and acoustic sound proofing materials.

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