Noctua Nf-A4x20 Pwm

40 mm, 1 x
Price in EUR including VAT, plus shipping
91Ratings
Delivered between Fri, 9.5. and Tue, 13.5.
More than 10 items in stock at supplier

Product details

The NF-A4x20 is a fan that utilizes cutting-edge aerodynamic design features such as Flow Acceleration Channels and Noctua's AAO frame system. The PWM version employs Noctua's custom-designed NE-FD1 IC for fully automatic speed control via 4-pin connectors and comes with a low-noise adapter that reduces the maximum speed in PWM operation from 5000 to 4400 RPM. Its exceptional smooth operation, the SSO2 reference-class bearing, and Noctua's proven premium quality make the NF-A4x20 PWM an exquisite choice for the highest demands.

Key specifications

Fan dimension
40 mm
Items per sales unit
1 x
power connector
4-pin PWM
Airflow
9.40 m³/h
Max. noise level
14.90 dB
LED colour
without LED
Item number
6399990

General information

Manufacturer
Noctua
Category
PC fans
Manufacturer no.
NF-A4x20 PWM
Release date
4.10.2017
External links
Manufacturer's site (de)

Colour

Colour
Beige, Brown
Exact colour description
Beige, Brown

Fan properties

Fan dimension
40 mm
PC fan type
PWM fan
Fan type
Standard
Max. Speed
5000 RPM
Max. noise level
14.90 dB
Airflow
9.40 m³/h
Static pressure
2.26 mmH20
LED colour
without LED

Connections

power connector
4-pin PWM

Power supply

Power consumption (active)
0.60 W
input voltage
12 V
Cable length
0.30 m
Electric current
0.05 A

Scope of delivery

Items per sales unit
1 x
Scope of delivery
Screws, Y-split cable

Origin

Country of origin
China

Voluntary climate contribution

CO₂-Emission
Climate contribution

Product dimensions

Length
40 mm
Width
40 mm
Height
20 mm
Weight
185 g

Package dimensions

Length
14.50 cm
Width
11.30 cm
Height
2.50 cm
Weight
86 g

Legal Notice

Product Safety

14-day cancellation right
30-day right of returnReturn policy
24 Months Statutory warrantyGuarantee provisions

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Reviews & Ratings

Statutory warranty score

How often does a product of this brand in the «PC fans» category have a defect within the first 24 months?

Source: Galaxus
  • 6.Xilence
    0,1 %
  • 8.be quiet!
    0,2 %
  • 8.Noctua
    0,2 %
  • 8.Noiseblocker
    0,2 %
  • 8.Thermaltake
    0,2 %

Statutory warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Galaxus
  • 1.Corsair
    0 days
  • 1.Lian-Li
    0 days
  • 1.Noctua
    0 days
  • 1.NZXT
    0 days
  • 1.Phanteks
    0 days

Return rate

How often is a product of this brand in the «PC fans» category returned?

Source: Galaxus
  • 12.Akasa
    3,3 %
  • 13.be quiet!
    3,5 %
  • 14.Noctua
    3,6 %
  • 15.Fractal
    3,9 %
  • 16.Corsair
    4,3 %
Source: Galaxus