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+ hours MTTF

🔇Ultra-quiet 14.9 dB(A)

⚙️5000 RPM max speed

€ 36.34

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Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌀 Silent power in a compact form – cool smarter, not louder!

COMPACT YET MIGHTY - Sized at 40x40x20mm, ideal for tight spaces like 1U servers, routers, NAS, and DVRs 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.
AWARD WINNING DESIGN - Flow Acceleration Channels and Advanced Acoustic Optimisation frame deliver superior airflow and reduced turbulence.
PRECISION PWM CONTROL - 4-pin PWM interface enables seamless automatic speed adjustments, balancing performance and silence effortlessly.
READY FOR INTEGRATION - Includes anti-vibration mounts, extension cables, and OmniJoin adaptors for hassle-free installation in professional setups.

The Noctua NF-A4x20 PWM is a premium 40x40x20mm quiet fan designed for professional-grade cooling in compact devices. Featuring a max speed of 5000 RPM, ultra-low noise of 14.9 dB(A), and a 4-pin PWM connector for automatic speed control, it ensures efficient airflow with minimal sound. Its award-winning aerodynamic design and robust build quality guarantee over 150,000 hours of reliable operation, making it the go-to choice for 1U servers, network equipment, and other space-constrained applications.

Specifications

ASIN	B071W93333
Air Flow Capacity	9.4 Cubic Meters Per Hour
Best Sellers Rank	#31 in Computer Case Fans
Brand Name	Noctua
Compatible Devices	Desktop
Cooling Method	Air
Customer Reviews	4.8 4.8 out of 5 stars (2,064)
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
UPC	841500110109
Unit Count	1.0 Count
Voltage	12 Volts
Warranty Description	6 year manufacturer’s warranty

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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The delivery time was excellent, and the packaging was secure.

2 months ago

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4 days ago

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€ 36.34

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered 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 Croatia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Yusuf A.

Fantastic experience overall. Will recommend to friends and family.

1 month ago

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

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