The anemometer was placed roughly 50mm away from the radiator. 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. The middle portion is showing metal bearing shell in golden color. With overclocked chip at 4.3GHz, the Noctua NF-A12x25 PWM were doing 42.7°C at 50% of their speed. Noctua's NF-A12x25 fans took four years to develop, having been created under a simple design brief, "create the world's best general-purpose fan". I personally do not mind the beige and brown color scheme as long as the performance is great, but a chromax edition with black blades and frame is also a welcome addition though.

For ULN, it is 3-pin ULN version for ultra-low noise applications and for FLX it is 3-pin FLX version with three speed settings. However, a lot have changed and improved in the internals of the NF-A12x25. I had faced issues with the gaskets provided with the Noiseblocker fans that were reviewed earlier. This makes the fan remarkably quiet even at very close distances. Noctua has launched their NF-F12x25 premium fan superseding their legendary NF-F12 series of fans. There is a silver color sticker pasted on the top right side stating 4-pin PWM version for automatic speed control. The beige and brown color scheme are here to stay apparently.

Contents of the box are presented on the top side. To sum up, the NF-A12x25 would not disappoint you in terms of performance. The fan carries 6 years of Noctua legendary warranty showing the confidence of the maker in their products. At 50% of the speed, the airflow was 17.77CFM and at 100% of the speed, the airflow was 32.58CFM. Sound rating is 29 dBA per fan. Thermal performance of the fan was tested on this test bench: Testing was performed on the Microsoft Windows 10 x64 Professional edition build version 1709. For the amount of accessories, build quality and cooling abilities, the fan should be a no-brainer. Its superior efficiency, cutting-edge construction and pioneering materials make it an elite choice for the most discerning demands. There is a sticker pasted on the axis hub.

Noctua's Stepped Inlet Design adds turbulence to the influx in order to facilitate the transition from laminar flow to turbulent flow, which reduces tonal intake noise, improves flow attachment and increases suction capacity, especially in space-restricted environments. This motor hub is metal reinforced which has added more to the weight of the fan but it has a crucial function in the overall design of the fan. With more features than I can count with my fingers, all of which have been used to optimize performance and acoustics, it is a fan that makes no excuses about the lack of RGB lighting as it puts up a great showing against the competition. Copyright © UnbxTech Media, 2020, All Rights Reserved.

They have provided one y-cable as well that will allow connecting two fans on a single header. Pose a question about this product to customers who have already purchased the item. The results are measured in CFM (cubic feet per minute). The NF-A12x25 comes with the theme of single fan catering for all these needs. 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. The new technologies and material used in the new fan make it perform incredibly well and versatile. The NF-A12x25 features the further optimised second generation of Noctua’s renowned, time-tested SSO bearing. Noctua has been researching on the material which can be used to form the impeller in such a manner that it would reduce/eliminate the creep and thus would enable them to reduce the gap between the fan’s frame and impellers. The Eiswinds 12 were doing 23.57°C. Their speed range was tested at various voltage points starting from 5V going up to 12V.

The fan’s construction is top-notch, the frame feels super solid without any flex. The Reeven Polariz RFC-04 fan controller was used for this testing.

© 2010-2020 niceshops GmbH - All rights reserved. Because they allow us to provide you with a unique shopping experience. The blade geometry is A-Series with Flow Acceleration Channels on the trailing edges of the impellers.

(adsbygoogle = window.adsbygoogle || []).push({}); The NF-A12x25 fans have three versions, PWM, FLX and ULN. The Y-Axis is showing the static pressure in mmH₂O and the X-Axis is showing the airflow in m³/h. Though their Chromax versions are a reply to the RGB gimmick by letting the users color coordinate their builds by using colorful anti-vibration pads on the black color fans they have made sure to provide the same performance as is on the non-Chromax versions. Salient features of the fans are printed on the main section. 4x tapping silver screws are provided for mounting the fan. The size of fan you need will generally be determined by the size of the fan fitting position in your PC case. Take out the transparent container from the box. The centerpiece of the NF-A12x25’s motor hub is made entirely from steel and the axle mount is reinforced with an additional brass structure. : RC-NF-A12x25-PWM, Content: 1 pc. The entire room was filled with a smell of harsh burning plastic, eminating from the fan bearings. I would love Noctua to release their Chromax versions down the road though keeping the price of that would be a concern. Noctua has managed to bring the further improvement in thermal performance yet at the same sound level that their previous generation fans were offering. The motor hub has a diameter of 50mm which is quite large as compared to the standard axial fans. The improvement is by the margin of 1.7°C ~ 2.6°C. Their design team has done their job with perfection and they definitely deserve a big round of applause. At that time, I was not aware that they will be releasing multiple versions of the NF-A12x25 fans. and the Taiwanese cooling specialist Kolink International Corporation, pooling more than thirty years of experience in the development, manufacturing, and marketing of high-end cooling components. I would not be going into the details.

The NF-A12x25 includes a silicone gasket that can be used when installing the fan on watercooling radiators or other applications that benefit from a tighter seal with the fan. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to These will be subjective based on my experience with testing various fans and coolers thus far. Airflow rating is 63.85 CFM with the static pressure rating of the 1.66mmH₂O. Both cables are fully sleeved and the supplied 3:4 pin adaptor allows the connection of the fan directly to the power supply. With its further improved efficiency and novel, state-of-the-art engineering, the NF-A12x25 represents another step up in performance and manufacturing. In order to guarantee the highest possible degree of manufacturing precision, minimum tolerance and excellent long-term stability, the NF-A12x25 sports a CNC milled bearing shell made entirely from brass. Their airflow and speed ratings have been validated. This gasket will ensure the proper seal between the fan the radiator to avoid air leakage.

Noctua NF-A12x25 PWM 12V 2000RPM 120mm Ultimate Quality Quiet Fan Noctua’s NF-A12X25 series of fans took Noctua almost five years to develop. When you plug the fan in, the air will be blowing towards you. amzn_assoc_placement = "adunit0"; The temperature of the CPU package is recorded at full load when the fan is running at full speed. Noctua has included a plethora of accessories with the NF-A12x25 fans. We would generally recommend using the ULN resistor cable for best results in almost all circumstances. 84,5 m³/h Model #: NF-A12x25 PWM Return Policy: View Return Policy Only the optical drive makes any (brief) noises (when it has a CD/DVD/BlueRay disk inside). Backed with the 6-year warranty, the fan for sure will last for a long time. The length of the fans’ power cables is short which is a good move in my opinion. Subscribe to our Newsletter or follow our Google+, Facebook and Twitter. The following services are used on this website: Google Analytics, Google Ads, Facebook Pixel, Microsoft Bing, Belboon, We are able to display personalised content based on your interaction with the website, purchasing habits and preferred brands. CO2 emissions are foregone where possible. Noctua’s AAO (Advanced Acoustic Optimisation) frames feature integrated anti-vibration pads as well as Noctua’s proprietary Stepped Inlet Design and Inner Surface Microstructures, both of which further refine the fan’s performance/noise efficiency. Was kept well informed of delivery progress by emails and texts. This is what differentiates the Noctua from the competition. And after over 4.5 years of development, the NF-A12x25 fans finally became the reality in May 2018. If you want a fan to act as an air intake, then the fan sticker will be facing the inside of the case. PC industry is focused on RGB lighting fans these days and this trend is in its prime but I have yet to see an RGB version of the fan that would win mind over heart when it comes to the performance over aesthetics.

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