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NF-A4x20 12V Fan
Highly optimised, quiet 40 x 20 mm premium fan
$16.44
⚡Free shipping on orders over $70.⚡
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Features & Advantages
- Ultra-quiet!
- Premium quality
- Excellent long-term stability
Description
Noctua NF-A4x20
The NF-A4x20 is a highly optimised, quiet fan in premium quality with a size of 40 x 20 mm and offers advanced aerodynamic construction measures such as flow acceleration channels and the AAO frame from Noctua.
FLX
The FLX version offers speed settings of 5000 / 4400 / 3700 rpm via the included low-noise adapter and includes the OmniJoin adapter set for easy connection to proprietary fan heads. Its smooth-running, the SSO2 bearing of benchmark class and the proven premium quality from Noctua make it a first-class choice for the highest demands.
Specifications:
| Format | 40 x 40 x 20 mm |
| Hole spacing | 32 x 32 mm |
| Connection | 3-pin |
| Rotational. (+/- 10%) | 5000 RPM |
| Rotational. with LNA (+/- 10%) | 4400 RPM |
| Rotational. with ULNA (+/- 10%) | 3700 RPM |
| Noise | 14.9 dB (A) |
| Noise development with LNA | 12.2 dB (A) |
| Noise development with ULNA | 8.5 dB (A) |
| Max. Input | 0.6 W. |
| Max current | 0.05 A. |
| Operating voltage | 12 V |
| MTTF | > 150,000 h |
PWM
The PWM version is equipped with the customer-specific NE-FD1-IC from Noctua for fully automatic speed control via 4-pin fan heads and has a low-noise adapter and an OmniJoin adapter set for easy connection to proprietary fan heads. Its smooth-running, the SSO2 bearing of benchmark class and the proven premium quality from Noctua make it a first-class choice for the highest demands.
Specifications:
| Format | 40 x 40 x 20 mm |
| Hole spacing | 32 x 32 mm |
| Connection | 4-pin |
| Rotational. (+/- 10%) | 5000 RPM |
| Rotational. with LNA (+/- 10%) | 4400 RPM |
| Min. Revolution speed (PWM, +/- 20%) | 1200 RPM |
| Noise | 14.9 dB (A) |
| Noise development with LNA | 12.2 dB (A) |
| Max. Input | 0.6 W. |
| Max current | 0.05 A. |
| Operating voltage | 12 V |
| MTTF | > 150,000 h |
Downloads
Product video
Noctua A-Series Fans
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