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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.)14.90 dB
Air flow9.40 m3/h
Rotations speed range1100 - 5000 RPM

General information

Manufacturer Noctua
Product type PC fans
Item number6399992
Manufacturer no.NF-A4x20 5V PWM
External links Manufacturer's site (de)

Colour

Case colour
Brown
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Brown

Brown is a color term, denoting a range of composite colors produced by a mixture of orange, red, rose, or yellow with black or gray.

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,
Beige
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Beige

Beige is a very pale yellowish-cream colour. The term originates from beige cloth, a cotton fabric left in its natural colour. It has since come to be used for a range of light tints chosen for their neutral or cool appearance.
The meaning of the term beige has expanded to the point where it is now also used for a wide range of pale brown shades,

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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
Max. rotation speed
5000 RPM
Rotations speed range
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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14.90 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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9.40 m3/h
Static pressure
2.26

Connections

4pin PWM
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4pin PWM

4pin connector can connect to 3pin connectors.

1 x

Power supply

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Power supply

All power supply related details.

Power consumption (active)
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Power consumption (active)

In electrical engineering, power consumption refers to the electrical energy over time that must be supplied to an electrical appliance to maintain its operation. The power consumption is usually a result of power used to perform the intended function of the device plus additional "wasted" power that is dissipated as heat, vibration and/or electromagnetic waves.

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0.50 W
Input voltage
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Input voltage

Voltage (sometimes also called electric or electrical tension) is the difference of electrical potential between two points of an electrical or electronic circuit, expressed in volts.

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5 V
Cable length
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Cable length

Specifies the length of the cable.

0.30 m
Electric current
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Electric current

Electric current is a flow of electric charge through a medium. This charge is typically carried by moving electrons in a conductor such as wire.
The SI unit for measuring the rate of flow of electric charge is the ampere, which is charge flowing through some surface at the rate of one coulomb per second.

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0.10 A

Delivery contents

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Delivery contents

The scope of delivery means the included accessories.

Items per sales unit
1 x
Screws
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Screws

A screw, or bolt, is a type of fastener characterized by a helical ridge, known as an external thread or just thread, wrapped around a cylinder.

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Yes
Y-Split Cable
Yes

Product dimensions

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Product dimensions

Physical size of an object

Length
20 mm
Width
40 mm
Height
40 mm

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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)