would anyone recommend this fan for a 3d printer hontend/part cooling fan?

Yes, we'd recommend using this fan for your 3d printer. (Please note that this is a 12V DC fan.)

What is de difference between noctua nf-a4x20 pwm and noctua nf-a4x20 flx?

one fan is pwm controllable (pwm), the other is not (flx). PWM controlling: https://en.wikipedia.org/wiki/Computer_fan_control

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Noctua NF-A4x20 PWM Ventilateur Silencieux de qualité supérieure 40 mm

Product ID: 93385300

Details

Air flow capacity
40 Cubic Per
Brand
Noctua
Compatible devices
Potential
Cooling method
Air
Material
Metal Plastic
Maximum rotational speed
5000 RPM

🌀5000 RPM max speed

🔇14.9 dB ultra-quiet operation

⚙️4-pin PWM for smart speed control

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VT8547

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Sold byAmazon VanuatuDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌀 Silence Meets Power: The Ultimate Mini Fan Upgrade You Can’t Afford to Miss!

COMPACT YET MIGHTY - Perfectly sized at 40x20mm, ideal for 1U servers, routers, NAS, and other compact devices demanding reliable cooling.
TRUSTED DURABILITY - Backed by Noctua’s legendary 6-year warranty, ensuring long-lasting performance and peace of mind.
PRECISION SPEED CONTROL - 4-pin PWM technology automatically adjusts fan speed up to 5000 RPM for optimal airflow and energy efficiency.
WHISPER QUIET POWERHOUSE - Experience top-tier cooling with noise levels as low as 14.9 dB—your workspace stays serene.
COMPLETE INSTALLATION KIT - Includes anti-vibration mounts, extension cables, and OmniJoin adaptors—everything you need for a seamless upgrade.

The Noctua NF-A4x20 PWM is a premium 40mm cooling fan designed for compact devices like 1U servers and network equipment. Featuring a max speed of 5000 RPM with ultra-quiet 14.9 dB operation, advanced acoustic optimization, and 4-pin PWM for automatic speed control, it delivers efficient, whisper-quiet cooling. The package includes anti-vibration mounts and adaptors, backed by a 6-year warranty, making it the go-to choice for professionals seeking reliable, silent performance.

Specifications

ASIN	B071W93333
Air Flow Capacity	40 Cubic Centimetres Per Second
Best Sellers Rank	25,917 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 154 in Computer Cases
Brand	Noctua
Compatible Devices	Potential Compatible Devices: ['Router', 'Switch', 'Small Desktop']
Compatible devices	Potential Compatible Devices: ['Router', 'Switch', 'Small Desktop']
Cooling Method	Air
Cooling method	Air
Customer Reviews	4.8 out of 5 stars 1,908 Reviews
Item Dimensions L x W x H	40L x 40W x 20H millimetres
Manufacturer	SER FLYMON
Material	Metal Plastic
Max Rotational Speed	5000 RPM
Noise Level	14.9 Decibels
Power Connector Type	4-Pin
Power connector type	4-Pin
Product dimensions	40L x 40W x 20H millimetres
UPC	841500110109
Voltage	12 Volts

Reviews

I**Y

Brilliant

Ticks every box and is brilliant value for money

17.09.2021

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

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