The Noctua NF-A4x10 24V PWM is a compact 40mm case fan designed for use in space-constrained environments where reliable and efficient airflow is essential. Built from high-quality Polybutylene terephthalate (PBT) material in a distinctive beige and brown finish, this fan measures just 40 x 40 x 10mm, making it ideal for small form factor systems, industrial applications, and embedded computing setups. It operates on a 24V power supply, broadening its compatibility with a wide range of professional and industrial hardware configurations.
Precise Airflow Control with PWM
The NF-A4x10 24V PWM features a 4-pin connector with full Pulse-Width Modulation (PWM) support, allowing for precise control over fan speed. With a maximum rotational speed of 5000 RPM, it can deliver up to 5 CFM of airflow and a maximum static pressure of 1.95 mmH2O. Despite its high-performance output, the fan draws a maximum current of only 0.045A, ensuring energy-efficient operation. Noise levels are kept to a minimum at just 19.6 dB(A) at full speed, making it a relatively quiet solution for its size.
Self-Stabilising Oil-pressure Bearing Technology
At the core of the NF-A4x10 is Noctua's Self-Stabilising Oil-pressure Bearing (SSO), a premium bearing design that uses magnetic stabilisation near the rear of the shaft to provide improved precision and long-term consistent performance. This bearing technology contributes to smooth, reliable operation over extended periods. The fan comes complete with mounting screws and features no LED illumination, keeping the focus firmly on functional, no-fuss performance.
Product number manufacturer:
NF-A4x10 24V PWM
Connectivity
Energy management
Packaging content
Physical characteristics
Polybutylene terephthalate (PBT)
Technical details
Self-Stabilising Oil-pressure Bearing (SSO)
Pulse-width modulation (PWM) support:
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