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Noctua NF-A4x20 5V PWM, Premium Quiet Fan, 4-Pin, 5V Version (40x20mm, Brown)
- Premium quiet fan, 40x40x20 mm, 5V, 4-pin PWM, max. 5000 RPM, max. 14.9 dB(A), >150,000 h MTTF; Award-winning A-series design with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance; 40x20mm size ideal for NVIDIA Jetson Nano, 1U applications or replacing fans in network and storage equipment (routers, switches, NAS etc.) or other devices such as DVRs; 5V 4-pin PWM version (5000rpm maximum speed) for 5V applications with PWM control; Includes anti-vibration mounts, fan screws, extension cable and OmniJoin adaptor set for connecting the fan to proprietary fan headers
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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 Noctuas highly optimised, premium quality quiet 40x20mm fan. The custom designed NE-FD3 PWM IC that integrates Smooth Commutation Drive technology and Noctuas reference class SSO2 bearings assure superb running smoothness and excellent long-term stability. Topped off with modular cabling and the OmniJoin Adaptor Set, the NF-A4x20 5V PWM is a premium choice for demanding 5V applications that require PWM control.
The NF-A4x20 impeller features suction side Flow Acceleration Channels. By speeding up the airflow at the crucial outer blade regions, this measure reduces suction side flow separation and thus leads to better efficiency and lower vortex noise.
Flow Acceleration Channels
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- Return for refund within: 30 days
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