How can I use this fan with a 2 pin connection. I’ve just received it only to find my connection is 2 pin. Doh!

Black is (-), red is (+) and yellow is just the probe. You disconnect/cut the yellow one and you have two active wires.

You replaced Hikvision nvr fan with Noc 40x20. What voltage did u use 12 or 5?

This Noctua fan is rated 5V and this is the voltage to use.

has anyone tried this in a dan a4 case as a top fan? And would it be worth doing?

I don't know where it would fit at the top of the A4, as the riser cables and psu cable take up the space, there might just be enough space on the GPU side. I have this fan zip-tied to the CPU side panel.

Good day, when will this item be back in stock again?

it is https://www.amazon.co.uk/gp/offer-listing/B009NQLT0M/ref=dp_olp_new_mbc?ie=UTF8&condition=new

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Noctua NF-A4x10 5V, High-Performance Quiet Fan 40mm

Product ID: 49491601

Details

Air flow capacity
5.2 Cubic Feet
Brand
Noctua
Compatible devices
Desktop
Cooling method
Air
Material
Fibre-glass
Maximum rotational speed
4500 RPM

⚡5V power optimized for low-voltage devices

🌀4500 RPM high-speed airflow

🔇Ultra-quiet 17.9 dB(A) noise level

299 kr

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Description

🌀 Cool smarter, not louder — the silent fan your gear deserves!

BUILT TO LAST - Over 150,000 hours MTTF backed by a 6-year manufacturer’s warranty.
TURBOCHARGED 4500 RPM - Maximize airflow efficiency for superior thermal management.
PLUG PLAY VERSATILITY - Includes OmniJoin adaptor and anti-vibration mounts for seamless installation.
WHISPER QUIET POWERHOUSE - Experience premium cooling with barely-there noise at just 17.9 dB(A).
PRECISION 40 X 40 X 10 MM DESIGN - Slim form factor fits perfectly in compact, high-demand electronics.

The Noctua NF-A4x10 5V is a premium 40x40x10 mm quiet fan engineered for 5V applications, delivering 4500 RPM airflow at an ultra-low noise level of 17.9 dB(A). Featuring advanced aerodynamic design and smooth commutation drive technology, it ensures long-term reliability with over 150,000 hours MTTF. Perfect for 3D printers, NAS, routers, and other compact electronics, it comes complete with anti-vibration mounts, modular cabling, and an OmniJoin adaptor for easy, vibration-free installation.

Specifications

ASIN	B00NEMGCIA
Air Flow Capacity	5.2 Cubic Feet Per Minute
Best Sellers Rank	5,824 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 47 in Thermal Management Products 125 in Fans & Cooling
Brand	Noctua
Compatible Devices	Desktop
Cooling Method	Air
Country Of Origin	China
Customer Reviews	4.7 4.7 out of 5 stars (3,916)
Global Trade Identification Number	04716123315469
Included Components	NF-A4x10 5V
Item Dimensions L x W x H	40L x 40W x 10H millimetres
Item Highlight	High Airflow Low Noise, 5V, 10mm Slim Fan, for Ventilation and Electronics Cooling, With OmniJoin Adaptor, 4500rpm 3-Pin
Manufacturer	Noctua
Manufacturer Part Number	NF-A4x10 5V
Material	Fibre-glass reinforced PBT
Max Rotational Speed	4500 RPM
Model Number	NF-A4x10 5V
Noise Level	17.9 Decibels
Number of Items	1
Number of Packs	1
Power Connector Type	3-Pin
Product Warranty	6 year manufacturer’s warranty
UPC	842431014429
Unit Count	1.0 count
Voltage	5 Volts

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299 kr

Duties & taxes included

In stock

Sold byAmazon DenmarkDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Denmark.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Best international shipping I've ever tried. Worth every penny!

3 days ago

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