Currently unavailable.
We don't know when or if this item will be back in stock.
Select delivery location
Have one to sell?

Noctua NF-A12x25 FLX, Premium Quiet Fan, 3-Pin (120mm, Brown)

4.8 out of 5 stars 521 ratings

Secure transaction
Returns Policy
Your transaction is secure
We work hard to protect your security and privacy. Our payment security system encrypts your information during transmission. We do not share your credit card details with third-party sellers and we do not sell your information to others. Find out more

Return policy

Tap on the category links below for the associated return window and exceptions (if any) for returns.

Currently unavailable.
We don't know when or if this item will be back in stock.

About this item

  • Premium quiet fan, 120x120x25mm, 12V, 3-pin Molex, 2000/1700/1350 RPM, max. 22.6 dB(A), >150,000 h MTTF
  • Next-gen A-series design combines high airflow and high static pressure performance, ideal both as a case fan and for CPU coolers, watercooling radiators and AIO liquid cooling systems
  • State-of-the-art engineering (AAO frame, Flow Acceleration Channels, record tight 0.5mm tip clearance) and construction (Sterrox LCP material, metal-reinforced hub, metal bearing shell, etc.)
  • 3-pin FLX version provides 2000/1700/1350rpm speed settings via Low-Noise Adaptors to fine-tune the fan for maximum airflow or near-silent operation
  • Includes anti-vibration mounts, radiator gasket, fan screws, extension cable and 3:4-pin adaptor for powering the fan directly from the power supply

Product information

Technical Details

Additional Information

Feedback

Noctua NF-A12x25 FLX, Premium Quiet Fan, 3-Pin (120mm, Brown)


Found a lower price? Let us know. Although we can't match every price reported, we'll use your feedback to ensure that our prices remain competitive.

Where did you see a lower price?

URL:
Price incl. GST: (SGD)
Shipping cost: (SGD)
Date of the price:
/
/

Store name:
Town/City/Suburb:
State/Territory:
Price incl. GST: (SGD)
Date of the price:
/
/


Please sign in to provide feedback.

From the brand


NF-A12x25 FLX header

The NF-A12x25 is a highly optimised next-generation 120mm fan that integrates Noctua’s latest innovations in aerodynamic engineering in order to achieve an unprecedented level of quiet cooling performance. It takes state-of-the-art technologies such as the AAO (Advanced Acoustic Optimisation) frame or Flow Acceleration Channels and combines them with a record tight tip clearance of only 0.5mm, which is made possible by using the novel Sterrox liquid-crystal polymer (LCP) compound as well as a metal-reinforced motor hub and axis for ultimate precision. Following the approach of Noctua’s A-series, the NF-A12x25 is a true all-rounder that yields superb results in all types of usage, regardless of whether it’s in low-impedance, airflow-oriented applications such as case cooling, or high-impedance, pressure-demanding scenarios such as on heatsinks and watercooling radiators. The 3-pin FLX version provides 2000/1700/1350rpm speed settings via the supplied Low-Noise Adaptors so as to give full flexibility in configuring the fan for maximum cooling capacity or near-silent acoustics. Topped off with exceptional running smoothness, Noctua’s reference-class SSO2 bearing and a rich bundle of accessories, the NF-A12x25 is a premium-quality product through and through. Its superior efficiency, cutting-edge construction and pioneering materials make it an elite choice for the most discerning demands.

NF-A12x25

Next-generation performance

Noctua’s 120mm fans such as the NF-F12 and NF-S12A are renowned as being among the best on the market and have received more than 400 awards and recommendations from the international press. With its further improved efficiency and novel, state-of-the-art engineering, the NF-A12x25 represents another step up in performance and manufacturing.

NF-A12x25 Sterrox

NF-A12x25 tip clearance

NF-A12x25 hub

 NF-A12x25 FLX Scope

Sterrox liquid-crystal polymer compound

The NF-A12x25’s impeller is made from Noctua’s novel Sterrox liquid-crystal polymer (LCP) compound that features extreme tensile strength, an exceptionally low thermal expansion coefficient and damping characteristics that are ideal for reducing resonance and vibration phenomena in advanced fan-blade designs.

Ultra-tight tip clearance

The NF-A12x25 has a record tight tip clearance (distance between the blade tips and the inside of the frame) of only 0.5mm. This highly ambitious design sets a new benchmark for 120mm fans and helps the NF-A12x25 to work more efficiently against back pressure, such as on heatsinks or radiators, by reducing leak flows through the gap between impeller and frame.

Metal-reinforced motor hub

The centrepiece of the NF-A12x25’s motor hub is made entirely from steel and the axle mount is reinforced with an additional brass structure. In combination, both measures ensure ultimate precision and increased stability in the critical hub area.

Scope of delivery

  • NA-RC15 Low-Noise Adaptor (L.N.A)
  • NA-RC13 Ultra-Low-Noise Adaptor (U.L.N.A)
  • NA-AC1 3:4-pin adaptor cable
  • NA-EC2 30cm extension cable
  • 4x NA-AV2 anti-vibration mounts
  • NA-AVG1 anti-vibration gasket for water cooling radiators
  • Fan screws

NF-A12x25 Banner

Highly optimised P/Q curve for all applications

The NF-A12x25’s sophisticated aerodynamic design allows for a pressure to airflow (P/Q) curve that is extremely strong in the critical mid-section. This means that the NF-A12x25 offers excellent performance in both static pressure demanding and airflow demanding applications.

pwm flx uln 5v 5v pwm NF-A12x25 PWM chromax.black.swap
NF-A12x25 PWM NF-A12x25 FLX NF-A12x25 ULN NF-A12x25 5V PWM NF-A12x25 5V NF-A12x25 PWM chromax.black.swap
Voltage 12 V 12 V 12 V 5 V 5 V 12 V
Connector 4-pin PWM 3-pin 3-pin 4-pin PWM 3-pin 4-pin PWM
RPM Max: 2000 / Min: 450 2000 1200 Max: 1900 / Min: 450 1900 Max: 2000 / Min: 450
RPM with L.N.A. 1700 1700 900 - - -
RPM with U.L.N.A. - 1350 - - - -
Acoustical Noise 22,6 dB(A) 22,6 dB(A) 12,1 dB(A) 12,1 dB(A) 12,1 dB(A) 22,6 dB(A) 23
Acoustical Noise with L.N.A. 18,8 dB(A) 18,8 dB(A) 7,6 dB(A) - - -
Acoustical Noise with U.L.N.A. - 14,2 dB(A) - - - -
Size 120x120x25 120x120x25 120x120x25 120x120x25 120x120x25 120x120x25
Colour Brown & Beige Brown & Beige Brown & Beige Brown & Beige Brown & Beige Black with swappable coloured anti-vibration pads

Looking for specific info?

See questions and answers

Customer reviews

4.8 out of 5 stars
4.8 out of 5
521 global ratings

Review this product

Share your thoughts with other customers

Top reviews from Singapore

There are 0 reviews and 1 rating from Singapore

Top reviews from other countries

Phil
5.0 out of 5 stars Superb Cooler
Reviewed in the United Kingdom 🇬🇧 on 2 February 2020
Verified Purchase
One person found this helpful
Report
Thomas Lam
4.0 out of 5 stars Looks striking, great airflow, not so quiet.
Reviewed in the United Kingdom 🇬🇧 on 14 February 2019
Verified Purchase
One person found this helpful
Report
MisterMR
5.0 out of 5 stars Really nicely made, very quiet and very efficient.
Reviewed in the United Kingdom 🇬🇧 on 29 September 2018
Verified Purchase
One person found this helpful
Report
Daniel
5.0 out of 5 stars Outstanding
Reviewed in the United Kingdom 🇬🇧 on 24 August 2019
Verified Purchase
Customer image
Daniel
5.0 out of 5 stars Outstanding
Reviewed in the United Kingdom 🇬🇧 on 24 August 2019
I'm not going to complain about the value because like everything if you want at the tip top quality there's a big price jump, and at least with fans you can use them in your next builds ;) top quality as in heavy duty, design is unique and works better than any other fan of this size or possibly any fan, looks wise...well looks are individualistic I personally don't mind it.

Who is this for? Someone building a pc who wants no weak links and the up most effectiveness or someone who's build is small on scale and need the few fans on their rig to do more work than normal.
Images in this review
Customer image
Customer image
One person found this helpful
Report
mp
5.0 out of 5 stars solid quality fans and performance
Reviewed in the United Kingdom 🇬🇧 on 8 October 2019
Verified Purchase
One person found this helpful
Report