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 Ventilateur Silencieux de qualité supérieure 40 mm

Product ID: 257798867

Details

Brand
Noctua
Cooling method
Air
Power connector type
4-Pin
Product dimensions
40L x 40W x
Voltage
12 Volts

🌀5000 RPM max speed

📏Compact 40x40x20 mm size

🔇14.9 dB ultra-quiet operation

203.98 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered 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 Tunisia.

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Description

🌀 Silence Meets Power: The Ultimate Mini Fan Upgrade You Didn’t Know You Needed

COMPACT YET MIGHTY - Perfectly sized 40x40x20 mm fan fits seamlessly into 1U servers, routers, and NAS devices.
TRUSTED DURABILITY - Backed by Noctua’s legendary 6-year warranty and award-winning design.
PRECISION PWM CONTROL - Automatic speed adjustment via 4-pin PWM for optimized airflow and energy efficiency.
WHISPER QUIET POWERHOUSE - Experience top-tier cooling with barely-there noise at just 14.9 dB.
VIBRATION FREE PERFORMANCE - Includes anti-vibration mounts and premium accessories for stable, silent operation.

The Noctua NF-A4x20 PWM is a premium 40mm cooling fan engineered for ultra-quiet, high-performance airflow up to 5000 RPM. Its compact size is ideal for 1U servers, network devices, and small desktops, featuring advanced acoustic optimization and PWM speed control. Equipped with anti-vibration mounts and a comprehensive accessory kit, it ensures stable, silent operation backed by a 6-year manufacturer warranty.

Specifications

ASIN	B071W93333
Air Flow Capacity	40 Cubic Centimeters Per Second
Best Sellers Rank	#21,913 in Computers ( See Top 100 in Computers ) #131 in Computer Case Fans
Brand	Noctua
Brand Name	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 1,978 Reviews
Item Dimensions L x W x H	40L x 40W x 20H millimeters
Manufacturer	SER FLYMON
Material Type	Fibre-glass reinforced PBT
Maximum Rotational Speed	5000 RPM
Model	NF-A4x20 PWM
Noise Level	14.9 Decibels
Number of Items	1
Number of Packs	1
Part Number	NF-A4x20 PWM
Power Connector Type	4-Pin
Power connector type	4-Pin
Product dimensions	40L x 40W x 20H millimeters
UPC	841500110109
Voltage	12 Volts

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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.

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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

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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203.98 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered 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 Tunisia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

View all Trustpilot reviews