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.Duty & taxes paid at delivery

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Noctua NF-A4x20 PWM, Premium Quiet Fan, 4-Pin (40x20mm, Brown)

Noctua NF-A4x20 PWM, Premium Quiet Fan, 4-Pin (40x20mm, Brown)

Product ID: 82236934

Details

Air Flow Capacity
9.4 Cubic Per
Brand
Noctua
Compatible Devices
Desktop
Cooling Method
Air
Material
Fibre-glass
Maximum Rotational Speed
5000 RPM

⏳>150,000 h MTTF reliability

🌀5000 RPM max speed

🔇Ultra-quiet 14.9 dB(A)

€ 36.68

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Description

🌀 Silence Meets Power: The Ultimate Compact Cooling Solution

BUILT TO LAST - Engineered with fibre-glass reinforced PBT and backed by a 6-year warranty, ensuring durability and long-term peace of mind.
COMPACT YET MIGHTY - Designed at 40x40x20mm, ideal for tight spaces like 1U servers, NAS, and network gear without compromising airflow.
WHISPER QUIET POWER - Experience premium cooling with noise levels as low as 14.9 dB(A), perfect for focused workspaces and serene environments.
PRECISION PWM CONTROL - 4-pin PWM interface enables seamless automatic speed adjustments, balancing performance and silence effortlessly.
ALL INCLUSIVE INSTALLATION KIT - Comes with anti-vibration mounts, extension cables, and OmniJoin adaptors for hassle-free, versatile setup.

The Noctua NF-A4x20 PWM is a premium 40x40x20mm quiet fan designed for professional-grade cooling in compact devices like 1U servers and NAS. Featuring a max speed of 5000 RPM with ultra-low noise at 14.9 dB(A), advanced aerodynamic design, and a 4-pin PWM connector for smart speed control, it delivers reliable airflow of 9.4 m³/h. Built with durable materials and backed by a 6-year warranty, it includes a full accessory kit for easy installation and vibration-free operation.

Specifications

ASIN	B071W93333
Air Flow Capacity	9.4 Cubic Meters Per Hour
Best Sellers Rank	#28 in Computer Case Fans
Brand	Noctua
Brand Name	Noctua
Compatible Devices	Desktop
Cooling Method	Air
Customer Reviews	4.8 out of 5 stars 2,064 Reviews
Item Dimensions L x W x H	1.57"L x 1.57"W x 0.79"H
Manufacturer	Noctua
Material Type	Fibre-glass reinforced PBT
Maximum Rotational Speed	5000 RPM
Model	NF-A4x20 PWM
Noise Level	14.9 Decibels
Number of Items	1
Part Number	NF-A4x20 PWM
Power Connector Type	4-Pin
Product Dimensions	1.57"L x 1.57"W x 0.79"H
UPC	841500110109
Unit Count	1.0 Count
Voltage	12 Volts
Warranty Description	6 year manufacturer’s warranty

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€ 36.68

Duties & taxes included

In stock

Sold byAmazon AustriaDelivered 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 Austria.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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