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Description

Featuring advanced aerodynamic design measures such as Flow Acceleration Channels and an AAO frame, the NF-A4x20 5V PWM is a PWM enabled 5V variant of Noctua’s highly optimised, premium quality quiet 40x20mm fan. The custom designed NE-FD3 PWM IC that integrates Smooth Commutation Drive technology and Noctua’s reference class SSO2 bearings guarantee superb running smoothness and excellent long-term stability. Topped off with modular cabling, the OmniJoin™ Adaptor Set and 6 years manufacturer’s warranty, the NF-A4x20 5V PWM is a premium choice for demanding 5V applications that require PWM control. Being a 5V fan, the NF-A4x20 5V PWM cannot be run at 12V and will be damaged when used with typical 12V power sources such as PC motherboard fan headers. more

Specifications

Key specifications

Fan dimension40 mm
Noise level (max.)14.9 dB
Air flow9.4 m3/h
Rotations speed range1100 - 5000 RPM

General information

Manufacturer Noctua
Product type PC fans
Item number6399992
Manufacturer no.NF-A4x20 5V PWM

Fan Properties

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Fan Properties

A computer fan is any fan inside, or attached to, a computer case used for cooling purposes, and may refer to fans that draw cooler air into the case from the outside, expel warm air from inside, or move air across a heatsink to cool a particular component. The use of fans to cool a computer is an example of active cooling.

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Fan dimension
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Fan dimension

The fan dimension is a standardized measure. It is usually the width or height.

40 mm
Fan type
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Fan type

Describes the type of fan

Standard
Max. rotation speed
5000 RPM
Rotations speed range
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Rotations speed range

Min. bis Max. Drehzahl des Lüfters

1100 - 5000 RPM
Noise level (max.)
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Noise level (max.)

The sound that is called noise that a device emits when it is active.

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14.9 dB
Air flow
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Air flow

The volumetric flow rate in fluid dynamics and hydrometry, (also known as volume flow rate or rate of fluid flow) is the volume of fluid which passes through a given surface per unit time (for example cubic meters per second [m3/s] in SI units, or cubic feet per second [cu ft/s]). It is usually represented by the symbol Q.

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9.4 m3/h
Static pressure
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Static pressure

Der hydrostatische Druck übt auf jede Fläche, die mit dem Fluid in Verbindung steht, eine Kraft aus, die zur Größe der Fläche proportional wirkt – je größer die Fläche, desto größer wird also die darauf wirkende Kraft. Diese Form des Drucks ist somit eine spezielle Form der elastischen Spannungen, die idealen Flüssigkeiten und Gasen eigen ist.

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2.3 mmH20
LED colour
ohne LED

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Returns and warranty

Dead on arrival (DOA) 30 Days Bring-in
Warranty 6 Years Bring-in
30-day right of return
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30-day right of return

This product may be returned within 30 days after shipment or collection. A minimum of 10% will be deducted from opened products. Unfortunately, we cannot accept a product if it is damaged, incomplete or missing its original packaging.

Returns and warranty

Please use our simplified returns and warranty process to return a product or register a warranty case. Returns and warranty

Please use our simplified warranty process to view the warranty period as well as any warranty extensions you may have purchased. This will ensure that your return or warranty case is processed quickly and effectively.

Availability

Mail delivery

 Expected delivery time: approx. 6–8 days
Currently > 5 piece(s) in stock at the supplier

Collection

All locations

 Expected delivery time: approx. 6–8 days
Currently > 5 piece(s) in stock at the supplier

If ordered immediately.
Information subject to change.

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Noctua NF-A4x20 5V PWM (40mm, 1x) Noctua NF-A4x20 5V PWM (40mm, 1x)