Needed an extra fan to get more airflow in a closed case. Works great, no issues
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This item: Noctua NF-A12x25 PWM, Premium Quiet Fan, 4-Pin (120mm, Brown)
$37.90
Get it by Monday, Jun 23
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$103.90
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From the brand
Noctua Cooling Solutions
Noctua's premium cooling components are internationally renowned for their superb quietness, exceptional performance and quality.
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Maximising Colour Choices
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Premium Thermal Paste
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Official Noctua Merch
Product Description
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.
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.
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-RC14 Low-Noise Adaptor (L.N.A)
- NA-YC1 4-pin PWM y-cable
- NA-EC1 30cm extension cable
- 4x NA-AV2 anti-vibration mounts
- NA-AVG1 anti-vibration gasket for water cooling radiators
- Fan screws
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.
NF-A12x25 PWM
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NF-A12x25 FLX
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NF-A12x25 ULN
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NF-A12x25 5V PWM
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NF-A12x25 5V
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NF-A12x25 PWM chromax.black.swap
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| Customer Reviews |
6,954
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611
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352
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471
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206
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2,726
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| 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 | - no data | - no data | - no data |
| RPM with U.L.N.A. | - no data | 1350 | - no data | - no data | - no data | - no data |
| Acoustical Noise | 22,6 dB(A) | 22,6 dB(A) | 12,1 dB(A) | 21,4 dB(A) | 21,4 dB(A) | 22,6 dB(A) |
| Acoustical Noise with L.N.A. | 18,8 dB(A) | 18,8 dB(A) | 7,6 dB(A) | - no data | - no data | - no data |
| Acoustical Noise with U.L.N.A. | - no data | 14,2 dB(A) | - no data | - no data | - no data | - no data |
| Size | 120x120x25mm | 120x120x25mm | 120x120x25mm | 120x120x25mm | 120x120x25mm | 120x120x25 |
| Colour | Brown & Beige | Brown & Beige | Brown & Beige | Brown & Beige | Brown & Beige | Black with swappable coloured anti-vibration pads |
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Do not let the colors sway you these are TRULY the best fans you can buy!
I purchased these fans for my brother. He started with two, swapping out the ones he had for a couple of years. Then he bought two more. Although on the pricey side, let me tell you that the quality is truly premium. They are heavier, solid, and pictures online do not do them justice if you must know. The colors might make you feel you are getting something retro made in the 80s, however- these are far from that acid plastic used back then. The corners are brown silicone, the fan looks like carbon fibre (I have not read the details on materials), it looks like it, and its just so solid overall. Compared to the rinky dink fans he had previously (Arctic), these are like a Rolls Royce. The packaging is also premium. Attention to detail in all manners. They specialize in fans for a reason. You can tell, they take pride in making their products. I understand what all the fuss is about, with thousands of 5 star ratings online. Installation was easy, and the temperature dropped about 5 degrees. I will double check if it is not 7 degrees cooler. It is MIND BLOWING how silent they run, and how overall my entire tower is so quiet and cooler. We both come from an era in the 90s where towers were loud. If you are a gamer, or need high-performance cooling because you are running software, I highly recommend these. Don't try to save here. Just get these fans and you will not regret it. Peace of mind is priceless and so is quality!
Top reviews from Canada
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- Reviewed in Canada on February 27, 2025Verified Purchase
- Reviewed in Canada on January 23, 2025Verified Purchase
- Reviewed in Canada on November 6, 2020Verified Purchase
I purchased these fans for my brother. He started with two, swapping out the ones he had for a couple of years. Then he bought two more.
Do not let the colors sway you these are TRULY the best fans you can buy!
Reviewed in Canada on November 6, 2020
Although on the pricey side, let me tell you that the quality is truly premium. They are heavier, solid, and pictures online do not do them justice if you must know. The colors might make you feel you are getting something retro made in the 80s, however- these are far from that acid plastic used back then. The corners are brown silicone, the fan looks like carbon fibre (I have not read the details on materials), it looks like it, and its just so solid overall. Compared to the rinky dink fans he had previously (Arctic), these are like a Rolls Royce.
The packaging is also premium. Attention to detail in all manners. They specialize in fans for a reason. You can tell, they take pride in making their products.
I understand what all the fuss is about, with thousands of 5 star ratings online.
Installation was easy, and the temperature dropped about 5 degrees. I will double check if it is not 7 degrees cooler. It is MIND BLOWING how silent they run, and how overall my entire tower is so quiet and cooler. We both come from an era in the 90s where towers were loud.
If you are a gamer, or need high-performance cooling because you are running software, I highly recommend these. Don't try to save here. Just get these fans and you will not regret it. Peace of mind is priceless and so is quality!
Images in this review
Top reviews from other countries
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Jos¨¦ O.Reviewed in Brazil on May 23, 2025
Produto excelente.
Verified Purchase - PyrusReviewed in the United Kingdom on May 14, 2025
Noctua Fans BEST
Verified Purchase - CaxReviewed in India on September 16, 2023
Silent, good performance
Verified Purchase - Reviewer2331Reviewed in the United States on September 24, 2024
They were all right, this is top of the line for sure!
Verified Purchase -
¤¯¤íReviewed in Japan on January 30, 2024
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Verified Purchase
