Noctua NF-A4x10 5V PC Fan, 40 mm, 17.9 dBA

Noctua NF-A4x10 5V PC Fan – Ultra-Quiet 40 mm Case Fan for Low-Noise Builds

The Noctua NF-A4x10 5V is a compact 40 mm case fan designed for silent PC builds. It operates at just 5 V and delivers airflow with a noise level of only 17.9 dBA, making it one of the quietest fans in its class.

• Ultra-quiet operation at 17.9 dBA for noise-sensitive environments
• Compact 40 mm x 40 mm x 10 mm form factor fits tight case spaces
• 5 V low-voltage operation reduces power draw and heat generation
• 3-Pin connector for standard fan header compatibility and RPM monitoring

Das zeichnet den Noctua NF-A4x10 5V aus

Noctua's NF-A4x10 5V combines a miniature 40 mm chassis with the brand's signature low-noise engineering. Unlike typical 5 V fans that sacrifice airflow for silence, this model maintains a balanced pressure-to-noise ratio suited for enclosed case environments where every decibel matters.

Ideal für...

Silent PC builders, HTPC enthusiasts, and compact ITX system owners who need reliable case airflow without adding audible noise. The 5 V operating voltage also makes it ideal for fan controllers and low-power motherboards that cannot drive standard 12 V fans.

Anwendung von Noctua NF-A4x10 5V

1. Mount the fan in a 40 mm-compatible case bay or radiator position
2. Connect the 3-Pin connector to a standard fan header or fan controller
3. Set the desired RPM via voltage control or PWM adapter if available
4. Verify airflow direction matches the intended intake or exhaust orientation