Noctua NF-A6x25 FLX, High-Performance Quiet Fan 60mm
Bottom line: The Noctua NF-A6x25 FLX ($16.95 on Amazon as of 2026-10-20 22:26 UTC): Near-silent 19.3 dB(A) max via AAO acoustic frame; main trade-off: brown/beige colorway clashes with most modern builds.
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*Price sourced from Amazon.com. Last updated 2026-10-20. Price and availability subject to change.
Pros & Cons
Pros
- ✓ Near-silent 19.3 dB(A) max via AAO acoustic frame
- ✓ Three speeds: 3000/2400/1600 RPM Low-Noise Adaptors
- ✓ Rated >150,000h MTTF for long service life
- ✓ Drop-in 60x60x25mm fix for noisy DVR, NAS, 3D-printer fans
Cons
- ✗ Brown/beige colorway clashes with most modern builds
- ✗ 3-pin FLX only, no PWM motherboard speed control
- ✗ 60mm size fits few PC cases, mostly niche devices
- ✗ Speeds set by hardware adaptors, not adjustable on the fly
SpecPicks Verdict
SpecPicks scored Noctua NF-A6x25 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
- Premium quiet fan, 60x60x25 mm, 12V, 3-pin Molex, 3000/2400/1600 RPM, max. 19.3 dB(A), >150,000 h MTTF
- Award-winning 60x25mm A-series fan with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance
- Ideal replacement for noisy or broken 12V 6cm fans in DVRs, NAS, network and storage devices, 3D printers, etc.
- 3-pin FLX version provides 3000/2400/1600rpm speed settings via Low-Noise Adaptors to fine-tune the fan for maximum airflow or near-silent operation
- Includes anti-vibration mounts, fan screws, Low-Noise & Ultra-Low-Noise Adaptors, extension cable and 3:4-pin adaptor for powering the fan directly from the power supply
Full Specifications
| Brand | Noctua |
|---|---|
| Model | NF-A6x25 |
| Voltage | 12 volts |
| Material | Fibre-glass reinforced PBT |
| Dimensions | 60x60x25 mm |
| Unit Count | 1 Count |
| Noise Level | 19.3 db |
| Part Number | NF-A6x25 |
| Material Type | Fibre-glass reinforced PBT |
| Cooling Method | Air |
| Item Highlight | High Airflow, Low Noise, 25mm Thick, for PC and Electronics Cooling, 3 Speed Settings 3000/2400/1600rpm 3-Pin |
| Number of Items | 1 |
| Number of Packs | 1 |
| Vibration/Rumble | Yes |
| Compatible Devices | Desktop |
| Power Connector Type | 3-Pin |
| Warranty Description | 6 year manufacturer’s warranty |
| Maximum Rotational Speed | 3000 rpm |
| Item Dimensions L x W x H | 2.36"L x 0.98"W x 2.36"H |
| Global Trade Identification Number | 00102930672910, 07445803090279 |
Ready to buy?
Noctua NF-A6x25 FLX, High-Performance Quiet Fan 60mm 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.
*Price sourced from Amazon.com. Last updated 2026-10-20. Price and availability subject to change.
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