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Noctua NF-A4x10 5V, Premium Quiet Fan, 3-Pin, 5V Version (40x10mm, Brown)

4.8 4.8 out of 5 stars 3,505 ratings
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Amazon's Choice in Computer Case Fans by Noctua

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40x40x10 mm
5 Volt

Purchase options and add-ons


About this item

  • Premium quiet fan, 40x40x10 mm, 5V, 3-pin Molex, 4500 RPM, 17.9 dB(A), >150,000 h MTTF
  • Award-winning 40x10mm A-series fan with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance
  • Ideal replacement for noisy or broken 5V 4cm fans in 3D printers, DVRs, NAS, switches, routers, other network and storage devices, etc.
  • 3-pin 5V version with 4500rpm, not to be used at 12V (such as in PC environments)
  • Includes anti-vibration mounts, fan screws, extension cable and OmniJoin adaptor set for connecting the fan to proprietary fan headers

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Get it as soon as Tuesday, Mar 26
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Noctua NF-A4x10 5V, Premium Quiet Fan, 3-Pin, 5V Version (40x10mm, Brown)
Noctua NF-A4x10 5V, Premium Quiet Fan, 3-Pin, 5V Version (40x10mm, Brown)
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Price$13.95$32.95$13.98$10.99$14.95$20.95
Delivery
Get it as soon as Tuesday, Mar 26
Get it as soon as Tuesday, Mar 26
Get it as soon as Tuesday, Mar 26
Get it as soon as Tuesday, Mar 26
Get it as soon as Tuesday, Mar 26
Get it as soon as Tuesday, Mar 26
Customer Ratings
Quality of material
4.8
5.0
3.0
3.6
5.0
5.0
Easy to install
4.8
5.0
4.7
4.4
4.9
4.9
Noise level
4.7
4.9
3.0
3.6
4.8
4.7
Value for money
4.6
4.8
3.6
4.7
Sold By
Noctua Cooling Solutions
Noctua Cooling Solutions
ANVISION INC
GZHD
Noctua Cooling Solutions
Noctua Cooling Solutions
cooling method
Air
Air
Air
Air
Air
Air
power connector type
3-Pin
4-Pin
2-Pin
2-Pin
3-Pin
3-Pin
compatible devices
Desktop
Desktop
Server
Desktop
Desktop
Desktop
max rotational speed
4500 rpm
1200 rpm
6000 rpm
5100 rpm
5000 rpm
1500 rpm
noise level
17.9 decibels
12.1 decibels
26.26 decibels
22.6 decibels
14.9 decibels
22.4 decibels
material
Fibre-glass reinforced PBT
Sterrox® LCP
Lead
Plastic
Fibre-glass reinforced PBT
Fibre-glass reinforced PBT
wattage
0.25 watts
0.45 watts
1 watts
0.5 watts
0.75 watts

Product information

Warranty & Support

Product Warranty: For warranty information about this product, please click here

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Noctua NF-A4x10 5V, Premium Quiet Fan, 3-Pin, 5V Version (40x10mm, Brown)


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Product guides and documents


Product Description

NF-A4x10 5V Header

Featuring advanced aerodynamic design measures such as Flow Acceleration Channels and an AAO standard frame, the NF-A4x10 5V is a dedicated 5V version of Noctua’s highly optimised, premium quality quiet 40x10mm fan. Smooth Commutation Drive technology and Noctua’s reference class SSO2 bearing ensure superb running smoothness and excellent long-term stability. Topped off with modular cabling and the OmniJoin Adaptor Set, the NF-A4x10 5V is a premium choice for demanding 5V applications.

NF-A4x10 5V

5V version

Many devices such as network or storage solutions use 5 volt 40mm fans. With the same operating voltage and the included OmniJoin adaptor set that makes it compatible with proprietary fan headers, the NF-A4x10 5V is ideal for replacing noisy or broken 5V 40mm fans.

Please Note: Being a 5V fan, the NF-A4x10 5V cannot be run at 12V and will be damaged when used with typical 12V power sources such as PC motherboard fan headers.

NF-A4x10 FAC

SSO2

NF-A4x10 hub

NF-A4x10 ISM

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.

Inner Surface Microstructures

With the tips of the fan blades ploughing through the boundary layer created by the Inner Surface Microstructures, flow separation from the suction side of the blades is significantly suppressed, which results in reduced blade passing noise and improved airflow and pressure efficiency.

NF-A4x10 5V banner

Please Note:

Being a 5V fan, the NF-A4x10 5V cannot be run at 12V and will be damaged when used with typical 12V power sources such as PC motherboard fan headers.

NF-A4x10 PWM table NF-A4x10 FLX table NF-A4x10 5V PWM table NF-A4x10 5V table
NF-A4x10 PWM NF-A4x10 FLX NF-A4x10 5V PWM NF-A4x10 5V
Customer Reviews
4.8 out of 5 stars
1,595
4.8 out of 5 stars
10,366
4.7 out of 5 stars
780
4.8 out of 5 stars
3,505
Connector 4-pin PWM 3-pin 4-pin PWM 3-pin
Voltage 12V 12V 5V 5V
RPM: Max: 5000 / Min: 1000 4500 Max: 5000 / Min: 1000 4500
RPM with L.N.A. 3700 3700 - -
Acoustical Noise 19,6 dB(A) 17,9 dB(A) 19,6 dB(A) 17,9 dB(A)
Acoustical Noise with L.N.A. 12,9 dB(A) 12,9 dB(A) - -
Size 40x40x10 mm 40x40x10 mm 40x40x10 mm 40x40x10 mm

From the brand

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Customer reviews

4.8 out of 5 stars
4.8 out of 5
3,505 global ratings

Customers say

Customers like the cables and adapters that come with the fan. They say it's worth the money, easy to install, and works well. Customers also appreciate the noise level, saying it'll be almost inaudible with the car running. They mention that it'd be a great addition to any computer case. Customers are also impresseded with the performance, saying that it works amazingly and does a good job at keeping their device cool.

AI-generated from the text of customer reviews

227 customers mention186 positive41 negative

Customers like the noise of the electronic component fan. For example, they say it's extremely quiet to the point where they forget it' s running. Some say that it runs quietly despite having the LED on for hours at a time. That said, most are satisfied with the noise level and performance of the fan.

"...Its silent operation, efficient cooling, and compatibility with Raspberry Pi setups make it an invaluable addition for enthusiasts seeking both..." Read more

"...to find a replacement that performs exceptionally well and remains whisper-quiet even during extended use...." Read more

"...This fan is extremely quiet to the point where I forget that it's running on my desk two feet away from me; quiet audio or nearby PC fans easily..." Read more

"...It is really quiet, especially compared to the fan that was already dying. It even seems to have better airflow, too...." Read more

97 customers mention94 positive3 negative

Customers are satisfied with the cooling of the electronic component fan. They mention that it cools well, has enough airflow to keep everything cool, and is designed to use in always on situations. Some say that the fan is a top-of-the-line product that is solid, durable, and dependable.

"...Its silent operation, efficient cooling, and compatibility with Raspberry Pi setups make it an invaluable addition for enthusiasts seeking both..." Read more

"...recommend this product to anyone in need of a reliable and silent cooling solution for their MisterFPGA or similar devices...." Read more

"...Everything is still nice and cool, so I'll gladly take the silence in exchange for running slightly warmer...." Read more

"...Highly recommended for additional cooling and adding extra life into these now late 90's consoles." Read more

82 customers mention79 positive3 negative

Customers are satisfied with the performance of the fan. They say it works well in dissipating heat and is effective at cooling their Raspberry Pi. Some customers also mention that it works nicely off USB power. Overall, most are happy with the product's performance and recommend it to others.

"...for Raspberry Pi setups, is a testament to Noctua's commitment to performance, quiet operation, and quality...." Read more

"...The performance of this item is just outstanding – it works flawlessly as intended. The best part is that there's no need for any wire modification...." Read more

"...wiring unless you strip all of the wrapping, but it's still quite workable." Read more

"...Otherwise works well and is quieter than the fan it replaced. So I have not returned it." Read more

70 customers mention70 positive0 negative

Customers are satisfied with the quality of the fan. They mention that it is a high-quality, solid, and reliable cooling solution. The fan is well-designed and will last a long time. Customers also appreciate the quality mounting hardware and cable adapters. Overall, customers are happy with their purchase and recommend it to others.

"...ensures that it operates with minimal noise, making it an ideal companion for workspaces, living areas, and anywhere tranquility is cherished...." Read more

"...promises, and I highly recommend this product to anyone in need of a reliable and silent cooling solution for their MisterFPGA or similar devices...." Read more

"...Worth the money! Quality feels very high end. Multiple connectors were included." Read more

"...I really like it and I am pleased with the airflow volume. Perfect for my needs." Read more

59 customers mention49 positive10 negative

Customers like the cables of the electronic component fan. They say it comes with various cable adapters and connectors. Customers also say that it comes in an assortment of attachments and cable converters. They mention that the box includes an abundance of connection options, including replacing the fan connection entirely. Overall, customers are satisfied with the cables provided with the fan.

"...This fan comes with a lot of great extra hardware and adapters...." Read more

"...Worth the money! Quality feels very high end. Multiple connectors were included." Read more

"Came with a nice set of connections to connect fan and further dampen noise...." Read more

"...It came with more than enough attachments to install this into any scenario. The directions were thorough and clear for even a novice...." Read more

43 customers mention39 positive4 negative

Customers are satisfied with the value of the electronic component fan. They mention that it is worth the money, has premium components, and meticulous construction. The fan is easy to install and is an excellent Noctua product.

"...The premium components and meticulous construction guarantee a fan that's built to last...." Read more

"...Worth the money! Quality feels very high end. Multiple connectors were included." Read more

"Very nice kit that includes everything needed to mount the fans, including a 3 pin to 2 pin adapter wire...." Read more

"Used to replace noisy fan on 3D printer - well worth the price." Read more

39 customers mention31 positive8 negative

Customers like the flow of the electronic component fan. They say it moves a lot of air for its size, is very silent, and pushes more air out the side vent. Some say it helps pull air away from the CPU while being unheard. Overall, most are satisfied with the flow and volume of the fan.

"...It even seems to have better airflow, too. No complaints yet, but I'll update the review if that changes." Read more

"...I really like it and I am pleased with the airflow volume. Perfect for my needs." Read more

"...Nice and quiet and pulls a lot of air. You will need to 3D print a bracket and a new lid latch for your system to use it...." Read more

"This is a great little fan, although the air movement may not be substantial enough for some more demanding applications...." Read more

27 customers mention27 positive0 negative

Customers find the installation of the electronic component fan to be easy. They mention that the manual and instructions are easy and clear, making the installation clean and simple. Some say that the installation kit is very complete and includes everything needed.

"...This user-friendly approach streamlines the setup process, allowing you to focus on your projects without wrestling with complex installations...." Read more

"...a 3-pin to 2-pin adapter for the MisterFPGA, making the installation process a breeze...." Read more

"...The directions were thorough and clear for even a novice...." Read more

"...It was easy to install, but if you want a more custom fit, you will have to cut the cables down to make them smaller in length...." Read more

Best purchase in a long time
5 Stars
Best purchase in a long time
I normally don’t get that excited over an Amazon purchase much less a fan. However, I must say that I am thoroughly impressed by the company and the quality and care that they put into their products. In this case they thought of everything when they made this fan and accessories. It came with more than enough attachments to install this into any scenario. The directions were thorough and clear for even a novice. I would definitely read them first because even though it’s just a fan there are some polarity issues that may be present in your specific situation. They include EVERYTHING though to cover these things. I highly recommend this product.
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Top reviews from the United States

Reviewed in the United States on August 19, 2023
Size: 40x40x10 mmStyle: 5 VoltVerified Purchase
One person found this helpful
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Reviewed in the United States on July 23, 2023
Size: 40x40x10 mmStyle: 5 VoltVerified Purchase
Reviewed in the United States on August 15, 2017
Size: 40x40x10 mmStyle: 5 VoltVerified Purchase
7 people found this helpful
Report
Reviewed in the United States on September 10, 2023
Size: 40x40x10 mmStyle: 5 VoltVerified Purchase

Top reviews from other countries

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Kindle Customer
5.0 out of 5 stars Installed in Dreamcast easily
Reviewed in Canada on February 15, 2024
Size: 40x40x10 mmStyle: 5 VoltVerified Purchase
siegfried
5.0 out of 5 stars Noctua NF-A4x10 5V
Reviewed in Germany on February 15, 2024
Size: 40x40x10 mmStyle: 5 VoltVerified Purchase
Amazon Customer
5.0 out of 5 stars Tyssst
Reviewed in Sweden on December 23, 2023
Size: 40x40x10 mmStyle: 5 VoltVerified Purchase
laubin
5.0 out of 5 stars TRES EFFICACE ET ULTRA SILENCIEUX !!!
Reviewed in France on November 5, 2023
Size: 40x40x10 mmStyle: 5 VoltVerified Purchase
One person found this helpful
Report
Fernando coral
5.0 out of 5 stars Eficiencia y bajo ruido.
Reviewed in Mexico on November 19, 2019
Size: 40x40x10 mmStyle: 5 VoltVerified Purchase