Noctua NF-A14 FLX, Silent Fan, 3 Pins (140mm, Brown)
Bottom line: The Noctua NF-A14 FLX: Ultra-quiet 19.2dB(A) max under load; main trade-off: brown/beige colorway clashes with most build themes.
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Pros & Cons
Pros
- ✓ Ultra-quiet 19.2dB(A) max under load
- ✓ >150,000h MTTF rated for long service life
- ✓ Bundled adapters set 1200/1050/900 RPM airflow
- ✓ 124.5mm square frame fits AIO/DIY radiators + 140mm cases
Cons
- ✗ Brown/beige colorway clashes with most build themes
- ✗ 3-pin only, no PWM or motherboard RPM curves
- ✗ Tops out at 1200 RPM, not built for high static pressure
- ✗ No RGB or addressable lighting
Manufacturer description
The NF-A14 is a high quality 140mm square frame silent fan that meets Noctua's Advanced Acoustic Optimisation AAO standard. Thanks to its square shape and 140mm mounting holes (124.5mm spacing) it is ideal for use with liquid cooling radiators or as an upgrade for 140mm case fans. With sophisticated aerodynamic design features like Flow Acceleration Channels, the NF-A14 increases the award-winning NF-P14's renowned silent dissipation performance. The FLX version is able to adjust the speed of 1200/1050/900 rpm via the supplied noise reduction adapters to offer complete flexibility in its…
SpecPicks Verdict
SpecPicks scored Noctua NF-A14 FLX using a rating × review-volume × price-fit model applied to published specs and reviews across the cooling & fans category. Noctua's cooling & fans lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for cooling & fans of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- High quality silent fan, 140x140x25mm, 12V, 3-pin Molex, 2000/1050/900 RPM, max. 19.2dB(A), >150,000h MTTF
- A series fan and size 140x25 mm with a multitude of awards. Includes Flow Acceleration Channels and Advanced Acoustic Optimization (AAO) frame for better, quieter cooling
- Its square frame design is suitable for liquid cooling systems (integral [AIO] or custom [DIY] systems), PC cases and other chassis (input and output), case cooling, etc.
- The FLX 3-pin version offers the ability to regulate the speed between 1200/1050/900 rpm via noise reduction adapters to optimize fan performance to maximum airflow or almost completely silent operation
- Includes anti-vibration brackets, screws for fans, adapter for decreasing and maximum noise reduction, extension cable and 3:4 pin adapter to connect the fan directly from the power supply
Full Specifications
| Brand | Noctua |
|---|---|
| Model | NF-A14 FLX |
| Voltage | 12 Volts |
| Material | Glass fiber reinforced PBT (Polybutylene Tereflalate) |
| Dimensions | 140x140x25mm |
| Unit Count | 1.0 Count |
| Noise Level | 19.2 Decibels |
| Part Number | NF-A14 FLX |
| Compatibility | PC |
| Material Type | Glass fiber reinforced PBT (Polybutylene Tereflalate) |
| Cooling Method | Air |
| Number of Items | 1 |
| Vibration/Rumble | Yes |
| Air Flow Capacity | 115.5 Cubic Meters Per Hour |
| Compatible Devices | Desktop |
| Included Components | 1 |
| Power Connector Type | 3-Pin |
| Maximum Rotational Speed | 1200 RPM |
| Item Dimensions L x W x H | 5.51"L x 5.51"W x 0.98"H |
| Global Trade Identification Number | 04716123314813 |
Ready to buy?
Noctua NF-A14 FLX, Silent Fan, 3 Pins (140mm, Brown) is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
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