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

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

Help Track order

Account Cart

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

Help Track order

Account Cart

Noctua NF-A4x20 PMW Quiet Fan 40mm

Product ID: 728787452

Details

Air Flow Capacity
9.4 Cubic Per
Brand
Noctua
Compatible Devices
Server
Cooling Method
Air
Material
Fiberglass PBT
Maximum Rotational Speed
5000 RPM

🔇Ultra-quiet 14.9 dB(A)

🕒>150,000h MTTF reliability

⚙️5000 RPM max speed

Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.

KD 13.39

Duties & taxes included

In stock

Sold byAmazon KUWAITDelivered 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 KUWAIT.

Secure transaction

ProDesertcart PRO

Fast, free shipping, member pricing & priority support.

Join PRO →

Description

🌀 Small fan, big impact: Quiet power that keeps your tech cool and your workflow smooth.

BUILT TO LAST - Engineered for over 150,000 hours of reliable operation, minimizing downtime and maintenance.
SMART PWM CONTROL - 4-pin PWM lets your system dynamically adjust fan speed for optimal cooling and energy efficiency.
VERSATILE COMPATIBILITY - Perfect fit for 1U servers, NAS, routers, and other compact devices — plus anti-vibration mounts included.
WHISPER QUIET OPERATION - Experience near-silent performance at just 14.9 dB(A) — your workspace’s new best friend.
PRECISION COOLING POWERHOUSE - Turbocharge airflow with up to 9.4 m³/h in a compact 40x40x20mm frame.

The Noctua NF-A4x20 PMW is a premium 40mm computer fan designed for high-performance cooling in compact devices. Featuring a max speed of 5000 RPM, ultra-quiet 14.9 dB(A) noise levels, and advanced PWM control, it delivers efficient airflow of 9.4 m³/h while maintaining whisper-quiet operation. Built with award-winning design and over 150,000 hours of reliability, it’s ideal for 1U servers, NAS, routers, and other space-constrained environments.

Specifications

ASIN	B071W93333
Air Flow Capacity	9.4 Cubic Meters Per Hour
Amazon Bestseller	#126,805 in Computers ( See Top 100 in Computers ) #1,056 in Computer Case Fans
Brand Name	Noctua
Compatible Devices	Server
Cooling Method	Air
Customer Reviews	4.8 4.8 out of 5 stars (1,915)
Item Dimensions L x W x H	40L x 40W x 20H mm
Manufacturer	Noctua
Material Type	Fiberglass 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

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.

What is Desertcart? Is it safe to order from?+

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

Yusuf A.

Fantastic experience overall. Will recommend to friends and family.

1 month ago

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

View all Trustpilot reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.