SKU: 15446432318

Noctua NF-A4x10-5V Quiet Cooling 40x40x10mm 5V Fan Kit

$23.40 $26.00
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Ships within 48 hours · Estimated delivery Jul 20 - Jul 25

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Description

Noctua NF-A4x10-5V Quiet Cooling 40x40x10mm 5V Fan KitNoctua NF A4x10 5V 40mm Fan 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 Noctuas highly optimised, premium quality quiet 40x10mm fan. Smooth Commutation Drive technology and Noctuas reference class SSO2 guarantee superb running smoothness and excellent long term stability. Topped off with modular cabling, the OmniJoin Adaptor Set and 6 years

Noctua NF-A4x10 5V 40mm Fan

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 guarantee superb running smoothness and excellent long-term stability. Topped off with modular cabling, the OmniJoin™ Adaptor Set and 6 years manufacturer’s warranty, the NF-A4x10 5V is a premium choice for demanding 5V applications.

Being a 5V fan, the NF-A4x10 5V be run at 12V and will be damaged when used with typical 12V power sources such as PC mainboard fan headers./em>

 

Noctua NF-A4x10 5V Features

Noctua NF-A4x10 5V
5V version
Many devices such as network or storage solutions use 5 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.
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.
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.
AAO Frame
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.

Stepped Inlet Design
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.

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.

Integrated Anti-Vibration Pads
Integrated Anti-Vibration Pads made from extra-soft silicone minimize the transmission of minute vibrations while maintaining full compatibility with all standard mounting systems and fan clips used on heatsinks.

Smooth Commutation Drive 2
The latest version of Noctua’s advanced Smooth Commutation Drive system ensures superb running smoothness by eliminating torque variations and switching noises. This makes the NF-A4x10 remarkably quiet even at close distance.

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.
3 to 2-pin Adaptor and Polarity Protection
The NF-A4x10 comes with an adaptor from 3-pin Molex to the 2-pin connectors used on many graphics cards or network and storage devices. An integrated diode provides polarity protection on 2-pin connections.
OmniJoin Adaptor Set
Many devices featuring 40mm fans use proprietary fan headers, so the NF-A4x10 comes with Noctua's OmniJoin Adaptor Set. Just cut the original fan's cable, fix it to the adaptor using the supplied 3M Scotchlok™ connectors and you can plug the NF-A4x10 to proprietary fan headers!

Extensive Cabling Options
The fan's short 20cm primary cable minimises cable clutter in typical applications while the supplied 30cm extension provides extended reach when necessary. Both cables are fully sleeved.

6 Years Manufacturer's Warranty
Noctua fans are renowned for their impeccable quality and outstanding longevity. Like all Noctua fans, the NF-A4x10 features an MTBF of more than 150.000 hours rating and comes with a full 6 years manufacturer's warranty.

 

Noctua NF-A4x10 5V Specifications

Noctua NF-A4x10 5V
Size 40x40x10 mm
Connector 3-pin
Bearing SSO2
Blade Geometry A-Series with Flow Acceleration Channels
Frame Technology AAO (Advanced Acoustic Optimization)
Rotational Speed (+/- 10%) 4500 RPM
Airflow 8.2 m³/h - 4.83
Acoustical Noise 17.9 dB(A)
Acoustical Noise with L.N.A. 12.9 dB(A)
Static Pressure 1.78 mm H2O
Max. Input Power 0.25 W
Max. Input Current 0.05 A
Voltage 5V
MTBF > 150,000 h
Scope of Delivery
  • 3:2-Pin Adaptor
  • OmniJoin Adapter Set
  • 30cm Extension Cable
  • 4 Vibration-Compensators
  • 4 Fan Screws
Warranty 6 years

Looking for a replacement for your Prusa MK3S?

 

Prusa switches between two different 5v fans on their Prusa MK3S Kits.

Type B Delta Fan
Type A Noctua Fan NF-A4x10-5V
We also sell the Noctua fan in the Noctua NF-A4x10-5V Kit (this listing) direct from Noctua if these are both out of stock however you will need to solder the wires as it does not come with correct length wire/connector.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 15446432318

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4.0 ★★★★★
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M
Verified Purchase
mewood
Massapequa, US
★★★★★ 5
Nice way to organize the sink area
Like the fact it’s not as bulky as my normal dish soap and it has a place for two sponges and the Dawn power wash spray bottle. Makes it tidy around my sink area. Drawbacks, a couple but they may not bother you. While it’s easy to refill, it does have to be done weekly. But I do lots of dishes three times a day, your mileage may vary. It does water spot very easily. We have hard water so that makes it hard to keep things clean but the dispenser does clean very easily. So it’s not too hard to keep it reasonably clean.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 6, 2024
B
Verified Purchase
Betty
Massapequa, US
★★★★★ 5
Great soap dispenser.
Soap dispenser is very nice. I like the compartment for the sponge and brushes. The only thing that I would like to see is if the spigot on the dispenser could come out a little further away from the bottle. It’s a little bit short. Would still buy again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 17, 2025
N
Verified Purchase
N. Dhar
Alexandria, US
★★★★★ 4
Works well but has a flaw in design
The place where we hang the sponge cannot stop water. So when you put the wet sponge the water will drip out.
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Reviewed in the United States on January 1, 2025
N
Verified Purchase
NH
Houston, US
★★★★★ 5
Reduce counter clutter
This is a really nice organizer for your kitchen sink. The dispenser holds about a cup or so of dish detergent. The open holder can be used for lots of items you might need at your sink - I have my handsoap dispenser in it, so one less thing sitting on the counter. People commented that the sprayer nozzle could be longer/extend further. It could, but it's OK as it is. I like having less on the counter top and this 3-in-1 works well and so far, I'm very happy with it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 17, 2026
G
Verified Purchase
Gigi
Alexandria, US
★★★★★ 3
Great dispenser but arrived broken.
I love this dispenser. The size is perfect and there is plenty of room to hold sponges and a dish washing brush. The detergent dispenser holds pleanty of detergent. I only gave it a 3 star review because it arrived with a bottom corner broken. It is still usable but the broken part is visible. The packaging was sturdy and there box it arrived in wasn’t dented so I don’t know how the corner broke off.
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Reviewed in the United States on February 25, 2026

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