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

Desertcart Logo

Deliver to GERMANY

For best experience Get the App

DOWNLOAD THE APP

WE SOURCE ITEMS FROM

UAE
UK
India
USA
Japan
KOREA

Customer Services

About Us

Customer Support

Description

🌀 Stay cool, stay ahead — silence meets power in every spin!

TRUSTED DURABILITY - Backed by Noctua’s legendary 6-year warranty and premium build quality.
SMART SPEED CONTROL - 4-pin PWM technology automatically adjusts fan speed for optimal performance and energy efficiency.
WHISPER QUIET POWER - Experience ultra-silent cooling with Noctua’s award-winning acoustic design.
COMPACT PRECISION FIT - Perfect 40x20mm size tailored for 1U servers, routers, NAS, and DVRs.
VIBRATION FREE OPERATION - Includes anti-vibration mounts and premium accessories for stable, noiseless installation.

The Noctua NF-A4x20 PWM is a premium 40mm cooling fan designed for compact devices like 1U servers and network equipment. Featuring a maximum speed of 5000 RPM with advanced acoustic optimization, it delivers powerful yet whisper-quiet airflow. Its 4-pin PWM connector enables automatic speed control, ensuring efficient cooling tailored to your system’s needs. Equipped with anti-vibration mounts and a comprehensive accessory kit, this fan guarantees stable, noiseless operation backed by a 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.

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.

€ 44.69

Duties & taxes incl.

GERMANYstore

Free Returns

30 daysfor PRO membership users

15 dayswithout membership

Secure Transaction

ChatGPT - opens in a new tab Perplexity - opens in a new tab Claude - opens in a new tab Grok - opens in a new tab Google AI - opens in a new tab

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Farhan Q.

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

2 months ago

View all Trustpilot reviews

Brand	Noctua
Product Dimensions	4 x 4 x 2 cm; 160 g
Item model number	NF-A4x20 PWM
Manufacturer	SER FLYMON
Voltage	12 Volts
Are Batteries Included	No
Item Weight	160 g
Guaranteed software updates until	unknown

Noctua NF-A4x20 PWM Ventilateur Silencieux de qualité supérieure 40 mm

Details

Description

Specifications

Have a Question? See What Others Asked

Common Questions