The Noctua NF-A14 ULN is a premium 140mm case fan designed for users who prioritize near-silent operation above all else. With its characteristic brown color and compact 140 x 140 x 25mm form factor, this fan fits seamlessly into a wide range of PC cases and cooling setups. It connects via a standard 3-Pin connector and operates without PWM support, making it a straightforward, no-frills solution for quiet system cooling.
Ultra-Low Noise Performance
The NF-A14 ULN lives up to its Ultra-Low Noise designation with a maximum rotational speed of just 800 RPM and a noise level of only 11.9 dB(A). This makes it one of the quietest 140mm fans available, ideal for home theater PCs, silent workstations, or any build where acoustic comfort is a top priority. Despite its whisper-quiet operation, it still delivers a maximum airflow of 47 m³/h and a maximum air pressure of 0.69 mm H2O, providing adequate ventilation for most case cooling scenarios.
Advanced Bearing Technology
At the heart of the NF-A14 ULN is Noctua's renowned SSO2 bearing, a second-generation self-stabilizing oil-pressure bearing. This technology uses a rear magnet to provide additional stabilization for the fan axle, resulting in smoother operation and reduced wear over time. Combined with a minimal power draw of just 0.04A, this fan is also highly energy efficient. There is no LED illumination, keeping the focus entirely on performance and silence rather than aesthetics.
Product number manufacturer:
NF-A14 ULN
Connectivity
Energy management
Physical characteristics
Sound emission
Noise level (high speed):
11.9 dB
Technical details
Pulse-width modulation (PWM) support:
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