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Noctua NF-A12x25 PWM, Premium Quiet Fan, 4-Pin (120mm, Brown)

Ships from United States.

Sold by Noctua Cooling Solutions a-seller and Shipped by Newegg

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Marketplace Seller
  • Premium quiet fan, 120x120x25mm, 12V, 4-pin PWM, max. 2000 RPM, max. 22.6 dB(A), >150,000 h MTTF
  • Next-generation 120x25mm A-series design provides unprecedented quiet cooling performance, ideal for CPU coolers and watercooling radiators
  • 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.)
  • 4-pin PWM version for automatic speed control via 4-pin PWM fan headers, 2000rpm maximum speed (1700rpm with supplied Low-Noise Adaptor)
  • Includes anti-vibration mounts, radiator gasket, fan screws, extension cable and y-cable for running two PWM fans on the same header

  • Overview
  • Specs
  • Warranty & Returns
  • Reviews
Noctua

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 Channelsand 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 4-pin PWM version supports fully automatic speed control via PWM fan headers and comes with a Low-Noise Adaptor to reduce the maximum speed from 2000 to 1700rpm. 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.

Noctua
Noctua

Highly optimised P/Q curve for all applications

Unlike the award-winning NF-F12 and NF-S12A models, which are specialised solutions for specific applications, the NF-A12x25 has been conceived to be a true all-rounder with superior performance in most common configurations: Whereas the NF-F12 is optimised for maximum static pressure and the NF-S12A is optimised for maximum airflow, the pressure to airflow (P/Q) curve of the NF-A12x25 has been carefully fine-tuned in the mid-section that is critical for achieving the best results in all common applications.

As can be seen from this chart, the NF-F12 produces higher maximum static pressure (top left) and the NF-S12A produces higher maximum airflow (bottom right), but at the relevant operating points, namely the impedance curves of the three sample applications, the NF-A12x25 provides a better balance of static pressure and airflow than the other two fans. This is the cornerstone of the NF-A12x25’s superior real-world performance.

Noctua

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.

Noctua

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.

Noctua

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.

Noctua

Scope of delivery

  • Low-Noise Adaptor (L.N.A.)
  • 4-pin y-cable
  • 30cm extension cable
  • NA-AV2 anti-vibration mounts
  • Anti-vibration gasket for water cooling radiators
  • Fan screws
Bellabeat
NF-A12x25 PWM
Bellabeat
NF-A12x25 FLX
Bellabeat
NF-A12x25 ULN
Bellabeat
NF-A12x25 5V PWM
Bellabeat
NF-A12x25 5V
Voltage 12 V 12 V 12 V 5 V 5 V
Connector 4-pin PWM 3-pin 3-pin 4-pin PWM 3-pin
RPM Max: 2000 / Min: 450 2000 1200 Max: 1900 / Min: 450 1900
RPM with L.N.A. 1700 1700 - - -
RPM with U.L.N.A. - 1350 900 - -
Acoustical Noise 22,6 dB(A) 22,6 dB(A) 12,1 dB(A) 21,4 dB(A) 21,4 dB(A)
Acoustical Noise with L.N.A. 18,8 dB(A) 18,8 dB(A) - - -
Acoustical Noise with U.L.N.A. - 14,2 dB(A) 7,6 dB(A) - -

Learn more about the Noctua NF-A12x25 PWM

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 6 years
  • Limited Warranty period (labor): 6 years
  • Read full details
Ownership: 1 week to 1 month
Verified Owner
5/ 5
Outstanding Quality 9/17/2020 6:52:25 PM

Pros: Excellent build quality. All accessories included. Great packaging, its very clear just how its boxed up (just like Apple products) Its a quality product.

Cons: none

Overall Review: I am now a strong FAN of Noctua

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Anonymous
Ownership: 1 month to 1 year
Verified Owner
5/ 5
Great option for a case fan 7/27/2020 3:05:41 PM

Pros: - Quiet, even at high speeds
- Comes with dampeners and rubber mounts
- No RGB

Cons: - Higher priced
- Color scheme
- No RGB

Overall Review: If you're looking for a no-frills case fan that's reliable and effective, this is a great option. This is the same fan on the NH-U12S, and I see why Noctua is sought after for the quality and cooling efficiency. I didn't realize that Chromax existed at the time of purchase, but I'm happy having this in my rig. I did purchase the white Chromax heatsink cover, and that's made the two-tone-tan-fans more tolerable to see through the glass panel.

Keeping this until it fails.

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Anonymous
Ownership: 1 day to 1 week
Verified Owner
5/ 5
Very good case fan 7/9/2020 5:58:33 PM

Pros: Extremely quiet and efficient in cooling.

Cons: Maybe more grey or white color fan

Overall Review: First purchase and would buy again. Noctua you just got yourself a new customer. :)

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Anonymous
Ownership: 1 week to 1 month
Verified Owner
5/ 5
Pricey, but dead quiet, pushes a lot of air, comes with a number of adapters 6/27/2020 2:13:01 PM

Pros: Pushes a lot of air and is very, very quiet. Noctuas are pricey fans, but I don't feel disappointed by this one.

Cons: Price?

Overall Review: Yes, I would recommend this.

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Ownership: 1 week to 1 month
Verified Owner
5/ 5
Great product! 6/22/2020 12:02:10 AM

Overall Review: 5/5

Did you find this review helpful?
Anonymous
Ownership: 1 day to 1 week
Verified Owner
5/ 5
It's a great exhaust fan, too!! 6/10/2020 11:39:31 PM

Pros: everything, wonderfully packaged with many accessories and nicely written manual.

Cons: Expensive

Overall Review: I had a dual SLI rtx 2080ti build that ran crazy, crazy hot. like 84c with all fans at 100%. Under load with all the fnas going my build sounded like a 747 jet. My case had premium large intake fans and a mesh front. But the exhaust fan was a flimsy stock fan. But how important are exhaust fans anyway? Doesn't convection do half the work anyway? Well I figured it wouldn't hurt to put a premium fan in for exhaust, so in goes the NF-A12x25. Man, what a difference - max temps were in low 70's and even 60's, and thi is under full, sustained load (gpu rendering). the fan speed on the cards, formerlly 100% under full load, now in the low 60%. Completely changed how my rendering machine performs. So happy with my purchase.

1 out of 1 people found this review helpful. Did you?
Anonymous
Ownership: 1 week to 1 month
Verified Owner
1/ 5
Turns out there are 5V and 12V Noctua fans.... 5/21/2020 1:21:55 AM

Pros: Good Quality Fan

Cons: Seems useless? A PWM fan that plugs into your USB ports but NOT your PWM motherboard fan headers!?

Overall Review: Did not realize this fan was a USB fan not a motherboard fan. Not really sure what the point of this fan is since I can't plug it into my motherboard.... would have been nicer to be warned about the 5V implication on the product page rather than from the instruction manual upon opening it!

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Ownership: 1 month to 1 year
Verified Owner
5/ 5
pc fans 5/7/2020 3:01:17 PM

Pros: Best you can get

Cons: NONE!!

Overall Review: love it

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