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Home page > Computers & Peripherals>PC Components>Cooler>Noctua NF-A4X20 5V PWM computer cooling system Computer case Fan 4 cm
Noctua NF-A4X20 5V PWM computer cooling system Computer case Fan 4 cm
Noctua NF-A4X20 5V PWM computer cooling system Computer case Fan 4 cm
Noctua NF-A4X20 5V PWM computer cooling system Computer case Fan 4 cm

The product's shade and actual color may differ from what is shown in the picture, as the images are for illustrative purposes. The product description is general and may not include all the product's features.

Noctua NF-A4X20 5V PWM computer cooling system Computer case Fan 4 cm

19,47 €
19,41 €
859864

NF-A4X20 5V PWM

9010018100136

2026-07-21

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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.
Performance
Type Fan
Mean time between failures (MTBF) 150000 h
Fan diameter 4 cm
Airflow 9.4 m³/h
Maximum air pressure 2.26 mmH2O
Noise level (high speed) 14.9 dB
Rotational speed (min) 1100 RPM
Rotational speed (max) 5000 RPM
Suitable location Computer case
Design
Fan connector 4-pin
Power
Rated current 0.1 A
Power consumption (typical) 0.5 W
Voltage 5 V
Weight & dimensions
Height 40 mm
Width 40 mm
Depth 20 mm
Packaging content
Screws included Yes
Other features
Mounting hole pattern (W x D) 32 x 32 mm
Logistics data
Harmonized System (HS) code 84733080