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, High-Performance Quiet Fan 40mm

Noctua NF-A4x20 PWM, High-Performance Quiet Fan 40mm

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 reliability

🌀5000 RPM max speed

🔇Ultra-quiet 14.9 dB(A)

B/.56

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Sold byAmazon PanamaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌀 Stay cool, stay ahead — silence never looked this powerful.

COMPACT YET MIGHTY - Perfectly sized 40x20mm fan fits 1U servers, NAS, routers, and DVRs without compromise.
PRECISION PWM CONTROL - Seamlessly adjust fan speed via 4-pin PWM for optimal airflow and energy efficiency.
VIBRATION FREE OPERATION - Includes anti-vibration mounts to keep your setup stable and silent under pressure.
WHISPER QUIET POWERHOUSE - Experience premium cooling with noise levels so low, you’ll forget it’s even there.
ALL INCLUSIVE INSTALLATION KIT - Comes with screws, extension cable, y-cable, and OmniJoin adaptor for effortless setup.

The Noctua NF-A4x20 PWM is a premium 40x20mm quiet fan designed for professional-grade cooling in compact devices like 1U servers, NAS, and routers. Featuring a max speed of 5000 RPM with ultra-low noise at 14.9 dB(A), advanced acoustic optimization, and over 150,000 hours mean time to failure, it ensures reliable, whisper-quiet airflow. Its 4-pin PWM control allows automatic speed adjustment, while included anti-vibration mounts and a comprehensive accessory kit guarantee easy, stable installation.

Specifications

ASIN	B071W93333
Air Flow Capacity	9.4 cubic meter per hour
Best Sellers Rank	#22 in Computer Case Fans
Brand Name	Noctua
Compatible Devices	Desktop
Cooling Method	Air
Customer Reviews	4.8 4.8 out of 5 stars (2,067)
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 db
Number of Items	1
Part Number	NF-A4x20 PWM
Power Connector Type	4-Pin
UPC	841500110109
Unit Count	1 Count
Voltage	12 volts
Warranty Description	6 year manufacturer’s warranty

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

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.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Rajesh P.

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

2 days ago

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Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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B/.56

Duties & taxes included

In stock

Sold byAmazon PanamaDelivered 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 Panama.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

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