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The NF-A4x10 24V PWM is a PWM-enabled 24V variant of Noctua’s award-winning, premium-quality NF-A4x10 40mm fan. As such, it is ideal for 24V-based 3D printers as well as various other 24V applications. Featuring an AAO (Advanced Acoustic Optimisation) standard frame and sophisticated aerodynamic design measures such as Flow Acceleration Channels, the NF-A4x10 is renowned for its superior performance and outstanding quietness of operation. Smooth Commutation Drive technology and Noctua’s reference class SSO2 bearing ensure superb running smoothness and excellent long-term stability. Topped off with the included OmniJoin adaptor set, NA-AC9 adaptor cable for popular 3D printers (e.g. Creality Ender 3 & CR-10, Anycubic Mega), and Low-Noise Adaptor, the NF-A4x10 24V PWM is a premium choice for demanding 24V applications with or without PWM control.
24V PWM version
24V fans are used in various devices and applications ranging from 3D printers to automotive. With the included OmniJoin adaptor set, the NF-A4x10 24V is a proven, PWM-enabled premium solution that gives you full flexibility both for replacing existing 24V fans and for new, custom applications.
Please Note: Being a 24V fan, the NF-A4x10 24V cannot be run at 12V and requires a starting voltage of at least 17V. It is therefore not suitable for standard PC applications.
Flow Acceleration Channels
The NF-A4x10 impeller features suction side Flow Acceleration Channels. By speeding up the airflow at the crucial outer blade regions, this measure reduces suction side flow separation and thus leads to better efficiency and lower vortex noise.
SSO2 Bearing
The NF-A4x10 features the further optimised second generation of Noctua's renowned, time-tested SSO bearing. With SSO2, the rear magnet is placed closer to the axis to provide even better stabilisation, precision and durability.
Reduced motor hub size
Thanks to its streamlined, compact motor design, the NF-A4x10's motor hub is smaller than with conventional 4cm fans. This allows for more blade surface area and thus contributes to the NF-A4x10's superior airflow and pressure performance.
Ideal for 3D printers
Many 3D printers such as the popular Creality Ender 3 or Anycubic Mega use 24V fans. With the included NA-AC9 adaptor cable for JST XHP-2 2.5mm headers as well as the OmniJoin adaptor set that makes fitting custom connectors a breeze, the NF-A4x10 24V PWM is an ideal choice for cooling the hot end of 24V-based 3D printers or for additional part cooling.
Please Note:
Being a 24V fan, the NF-A4x10 24V cannot be run at 12V and requires a starting voltage of at least 17V. It is therefore not suitable for standard PC applications.
Ale
Reviewed in Italy on February 19, 2025
Perfette come sempre.P.S. la rumorosità è comparabile con le stock della ender3 per chi le volesse utilizzare.
Mihai Balaban
Reviewed in the United Kingdom on January 30, 2025
I recently upgraded my Ender 5 S1 3D printer by replacing the stock fan with the Noctua NF-A4x10 24V PWM 40mm Fan, and the improvement has been remarkable.✔️ What I Appreciate:Superior Quietness: The Noctua fan operates with minimal noise, significantly quieter than the original stock fan. This enhancement has made my printing environment much more pleasant.Efficient Cooling Performance: Despite its quiet operation, the fan provides excellent airflow, effectively maintaining optimal temperatures during extended printing sessions.High-Quality Build: The fan's construction is robust and durable, reflecting Noctua's reputation for premium quality components.PWM Control: The PWM feature allows for precise speed control, enabling the fan to adjust its performance based on the printer's cooling needs, which contributes to both efficiency and longevity.❌ Areas for Improvement:Installation Considerations: While the fan itself is top-notch, users should ensure compatibility with their specific printer model. In some cases, slight modifications or additional adapters may be necessary for installation.💡 Final Thoughts:The Noctua NF-A4x10 24V PWM 40mm Fan is an outstanding upgrade for the Ender 5 S1 3D printer. Its quiet operation, efficient cooling, and high-quality construction make it a worthwhile investment for those looking to enhance their 3D printing experience.✔ Best For: 3D printing enthusiasts seeking a quieter and more efficient cooling solution for their printers.❌ Not Ideal For: Users who prefer plug-and-play solutions without any need for modifications.👉 Overall: 5/5 – An excellent fan that delivers on performance and quietness, significantly improving the 3D printing environment.
Fred N
Reviewed in France on January 28, 2025
Utilisé pour remplacer un ventilateur d'une imprimante 3d, il est performant et permet de bien refroidir le haut de la tête d'impression. Il est clairement plus silencieux que celui qui équipait mon imprimante d'origine.
carlyle hawkyard
Reviewed in the United States on January 19, 2025
I'm giving it 4 stars because they work exactly as they should. they are quiet and look great.But, they are not more powerful than stock fans and I don't like that they don't make that clear I the marketing material so sure, upgrade if you want but it's not a performance upgrade, just decibels.
Jason
Reviewed in the United States on January 17, 2025
My Creality Ender 3 V3 SE hot end fan started squealing really bad after 3 months of use so I ordered a replacement. From amazon pictures and listing it showed OEM fan but received generic and it was squealing out of the box tried again another seller same result so that was my motivation to finally upgrade my hotend. If upgrading a fan you can’t beat Noctua fans so thats what I ordered. The fan comes with everything you need except the plug to match hotend so I just cut the cord of the factory fan and using supplied scotchlok uy2 (don't strip the wire it goes on insulated wire best) to connect with included plug to wire adapter and printed a new housing and was ready. It’s amazing how quiet this fan is and still pushes so much air. Compared to factory you can”t even tell its on by sound and it moves at least triple the volume of air. This is probably the best beginner printer upgrade yo can do and see and hear the results, only toped by adding octoprintwith a raspberry Pi to printer and while easy to do the fan upgrade easier. All my fans in computer on noctua as well because they just make great fans.
MCB
Reviewed in the United States on September 30, 2024
A very good 40mm Quiet Fan. Needs low power to drive. I haven't found anything better. But there are a few things to remember. The noise measurements (all fans) were most likely made by suspending the fan in mid air. The manifold that you attach the fan to will alter the fan's air turbulence and most likely the greater the noise. The faster the rotational speed, the greater the noise and higher the frequency and greater the flow. I swagged the noise's frequency center as (RPM/60)x(Number of blades). I haven't used the PWM feature, but obviously a reduced rotational speed will reduce the noise. This fan works fine at 21 vdc with a reduced RPM and flow.Fan seems to get a bit louder as the fan gets warmer (and/or warmer ambient air).The fan is nicely packaged and comes with extra electrical connections. Although, who needs the extra connection after you used the one that fits your needs.
Zenab
Reviewed in Canada on September 10, 2024
Perfect Replacement for 3D PrintersThe Noctua NF-A4x10 24V PWM fan is an excellent replacement for my Sidewinder X1 and X2 3D printers. It runs quietly and efficiently, making it ideal for this application. A high-quality, reliable fan that gets the job done.
Bruce E. Layne
Reviewed in the United States on December 27, 2024
This was a perfect drop in replacement to cool the Sovol SV08 motherboard. The original fan is very noisy and I can barely hear this fan. The entire upgrade added only five minutes to the printer assembly.The original SV08 motherboard fan is wired to 24V to run constantly. It's possible to move the connector to another header that is connected to an output and add a line to the Klipper config file so the motherboard fan only runs when needed to cool the MCU, and PID control adjusts the speed so it only runs fast enough to cool the MCU, but this Noctua fan is so quiet that I didn't bother with PID control. It runs full speed all the time and it's quiet. This is a very high reliability fan, so even running constantly, it'll outlive the 3D printer.I liked this quiet Noctua fan so well that I bought two 120 mm Noctua fans to add forced ventilation to an enclosure I'm designing and building for the SV08 3D printer.This Noctua fan probably cost me 20 times what Sovol spent for the little noise maker that they chose to cool the motherboard, but once you compare the two, you'll know where all of that extra money went.
pixelmechanic
Reviewed in the United States on December 23, 2024
Noctua fans are silent and durable, great to have one that can be used on a regular 3D printer head without a voltage regulator.
Grupo V.
Reviewed in Mexico on December 21, 2024
Noctua es la referencia en calidad en ventiladores de esta clase. Es absolutamente silencioso. Importante considerar que no entrega el flujo de aire que un ventilador sólido y menos silencioso (un Sunon 4020, por ejemplo), pero entrega un 50% más que un ventilador 4010
Joel
Reviewed in the United States on November 19, 2024
This fan is so quiet and works like a charm
Yuri
Reviewed in the United States on November 17, 2024
Use this to replace the hotend cooling fan on my Ankermake M5 and it has helped make the printer usable in the same room I am without going mad. Some other mods are needed, but Noctua never disapoints.
Valerie Moran
Reviewed in the United States on October 18, 2024
This is such a must-have upgrade to your 3D printer, up there with the glass bed and auto-leveling system. I've been waiting for this product *forever* as the previous version of the 40mm was a much lower voltage than my Ender 5 Pro outputs. Previously, I had searched Noctua products for a 40 x 10mm that was 24 volts, but there weren't any available. The only available 40 x 10mm Noctua offered was a 5v, which would burn out immediately in your standard 24v output 3D printer. I wanted Noctua specifically for its reputation for low noise, so I wasn't interested in other brands who offered a similar product. I opted to use stepper conversions to lower the voltage, but they were tricky and eventually burnt out, plus you have to splice some wires in the process so it was a pain.Anyway, after my latest stepper converter failed me, I went to check yet again to see if Noctua offered these in 24v yet and was thrilled to see they finally did. I have my 3D printer in my bedroom and I'm so happy to be able to sleep peacefully now that I've changed out the noisy stock Creality fans with these.
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