Noctua NF-A4x20 FLX Computer Case Fan - Cooling Components (Computer Case, Fan, 4 cm, 3700 RPM, 5000 RPM, 4400 RPM)

Noctua NF-A4x20 FLX Computer Case Fan - Cooling Components (Computer Case, Fan, 4 cm, 3700 RPM, 5000 RPM, 4400 RPM)

Q: Whats the cfm of this fan?

The output, converted from 9.4 m3/h is just 5.5 cfm, very low indeed.

Q: What is the mtbf. How many hours of life can I expect from one of these?

Not sure about the Mtbf, but i purchased 2 of this in Jan 2020, and they have been running 24/7 till now with no problems. Installed them in my 2 poe+ switches

Product ID: 93385299

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Details

Product dimensions
40L x 40W x
Brand
Noctua
Power connector type
3-Pin
Voltage
12 Volts
Cooling method
Air
Compatible devices
Desktop Server

🌀Up to 5000 RPM for powerful airflow

🔇Ultra-quiet operation at just 14.9 dB

🛠️Includes anti-vibration mounts & extension cables

Frequently Bought Together

Noctua NF-A4x20 FLX Computer Case Fan - Cooling Components (Computer Case, Fan, 4 cm, 3700 RPM, 5000 RPM, 4400 RPM)

Noctua NF-A4x10 FLX, Premium Quiet Fan, 3-Pin (40x10mm, Brown)

Noctua NF-A4x20 PWM, Premium Quiet Fan, 4-Pin (40x20mm, Brown)

Description

🌀 Stay cool, stay silent — the pro’s choice for sleek, efficient airflow

COMPACT 40 X 20 MM DESIGN - Perfect fit for 1U servers, NAS, routers & tight spaces
VERSATILE CONNECTIVITY - Omnijoin adapter for seamless fan strip integration
COMPLETE INSTALLATION KIT - Anti-vibration mounts, screws & extension cable included
WHISPER QUIET PERFORMANCE - Advanced acoustic optimization keeps noise minimal
AWARD WINNING AERODYNAMICS - Flow Acceleration Channels boost cooling efficiency

The Noctua NF-A4x20 FLX is a premium 40x20mm computer case fan engineered for high-performance cooling in compact environments. Delivering up to 5000 RPM with ultra-quiet 14.9 dB noise levels, it features award-winning aerodynamic design and comes with a full accessory kit including anti-vibration mounts and extension cables, making it ideal for 1U servers, NAS devices, and network hardware.

Specifications

Manufacturer	Noctua
Part number	NF-A4x20 FLX
Item Weight	170 g
Product Dimensions	4 x 4 x 2 cm; 170 g
Item model number	NF-A4x20 FLX
Material	Plastic
Voltage	12 Volts
Item Package Quantity	1
Air Flow Capacity	9.4 Cubic Metres Per Hour
Noise Level	14.9 Decibels
Included components	1
Batteries included?	No
Batteries Required?	No

Have a Question? See What Others Asked

Whats the cfm of this fan?

14.9dba at what speed?

How many dB is this fan?

What is the mtbf. How many hours of life can I expect from one of these?

Reviews

T**N

Just received fan box open and used condition

Just received order supposed to be brand new and seal was broken boxes flap looked like it had been opened and fan is not facing the display boxes opening at front. it’s upside down and the anti vibration mount is bent out of pack and looks damaged

2.12.2024

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