Noctua NF-A14 ULN - 140mm - Brown
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Product Information
Full details
The Noctua NF-A14 ULN is a premium 140mm PC fan designed for users prioritizing near-silent operation without compromising cooling performance. Ideal for audio production environments, quiet offices, or any system where noise is a concern, it delivers effective heat dissipation through advanced aerodynamic design. A potential caveat is its lower RPM range, which may not be suitable for extreme overclocking scenarios demanding maximum airflow.
All features
| Colour | Brown |
|---|---|
| Model Part Number | NF-A14-ULN |
| Brand | Noctua |
Extended Product Information
FAQs
What is the main advantage of the ULN version?
The ULN (Ultra-Low-Noise) version is specifically designed for users who require extremely quiet operation, featuring lower maximum rotational speeds (800/650 RPM) and the lowest noise level (9.1 dB(A)) in the NF-A14 series.
Can I use this fan for a CPU cooler or radiator?
Yes, the square 140mm frame and good static pressure make it highly suitable for mounting on 140mm radiators and as a CPU cooler fan, especially where quiet operation is desired.
What is the MTBF (Mean Time Between Failures) for this fan?
The NF-A14 ULN has a Mean Time Between Failures (MTBF) rating of over 150,000 hours.
Does it come with all necessary mounting hardware?
The fan typically includes vibration-reducing mounting screws and a Low-Noise Adaptor (L.N.A.) to further reduce speed and noise, along with extension cables.
What is the warranty period for the Noctua NF-A14 ULN?
Noctua provides a 6-year manufacturer's warranty for the NF-A14 ULN fan.
How does the Flow Acceleration Channels feature work?
These channels on the impeller's suction side accelerate the airflow at the crucial outer blade regions. This reduces flow separation and vortex noise, leading to increased efficiency and quieter operation.
Is the fan PWM controlled?
The NF-A14 ULN is not a PWM fan; it operates at fixed speeds controlled via voltage or the included adaptor. The speeds are 800 RPM (standard) and 650 RPM (with L.N.A.).
Troubleshooting
Fan not spinning
Ensure the fan is securely connected to the motherboard fan header or power adapter. Check if the fan header is receiving power. Verify that the fan is not obstructed.
Fan is making unusual noise
Check for any obstructions hitting the fan blades. Ensure the fan is securely mounted and not vibrating against the case. If noise persists, the bearing may be faulty (contact support if within warranty).
Low airflow despite fan spinning
Clean the fan blades and surrounding area of dust and debris. Ensure there are no blockages in the air path (e.g., tightly packed cables, other components). Check fan speed settings in BIOS/software; ensure it's not set to a very low speed.
Pros and Cons
Pros
- Exceptional quietness for noise-sensitive environments.
- High-quality construction with premium SSO2 bearing for longevity.
- Effective cooling performance for its noise profile.
- Designed for broad compatibility with radiators and case mounts.
- Low power consumption.
Cons
- Lower maximum airflow compared to high-speed fans.
- May not be sufficient for extreme overclocking requiring maximum fan speed.
- Premium price point.
- Brown and beige color scheme may not match all PC builds.
Setup, Compatibility & Care
Setup: The NF-A14 ULN features standard 140mm mounting holes with a 124.5mm spacing, making it compatible with most 140mm case fan mounts and 140mm radiators. Connect the fan to a 3-pin or 4-pin fan header on your motherboard or to the provided adapter for direct power connection. Ensure the fan is oriented correctly for desired airflow direction (usually indicated by arrows on the fan housing).
Compatibility: This fan is compatible with any PC case or cooling system that supports 140mm fans. Its square frame ensures full coverage on 140mm radiators. It operates on a standard 12V power supply.
Care: To maintain optimal performance and longevity, regularly clean the fan blades and housing. Dust buildup can reduce airflow and increase noise. Use a soft brush or a can of compressed air to remove dust. Avoid using harsh chemicals or liquids. The SSO2 bearing is sealed and does not require user maintenance.