Description
The NF-A4x20 from Noctua is a 40mm premium fan with an Advanced Acoustic Optimisation (AAO) frame system and some advanced aerodynamic design measures such as Flow Acceleration Channels for improved cooling performance with low noise. Thanks to the optimised Smooth Commutation Drive (SCD) drive system, torque fluctuations and switching noise are effectively eliminated to make the fan's operation even quieter. The renowned SSO2 bearing technology guarantees excellent smooth running for over 150,000 hours and long-term stability.
Danger! A 5V fan cannot be operated with 12V. If you connect the fan to 12V power sources on PC motherboards, for example, the fan can be damaged.
Technical specification:
| NF-A4x20 | NF-A4x20 PWM | |
| Format | 40x40x20mm | |
| Hole spacing | 32x32mm | |
| Connection | 3-pin | 4-pin PWM |
| Rotation speed (+/- 10%) | 5000 rpm | |
| Noise development | 14.9dB(A) | |
| Max. Input | 0.5W | |
| Max. current | 0.1A | |
| Operating voltage | 5V | |
| MTTF | > 150,000 hours | |
| Included |
30 cm cable extension |
4-pin Y cable |
Noctua Guide
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