- Model: NF-A4X20 PWM
NF-A4X20 PWM
Featuring advanced
aerodynamic design measures such as Flow Acceleration Channels and Noctua’s AAO
frame, the NF-A4x20 is a highly optimised, premium-quality quiet fan in size
40x20mm. The PWM version sports Noctua’s custom-designed NE-FD1 IC for fully automatic
speed control via 4-pin fan headers and comes with a Low-Noise Adaptor as well
as an OmniJoin™ Adaptor Set for easy connection to proprietary fan headers. Its
superb running smoothness, reference-class SSO2 bearing and Noctua’s trusted
premium quality make it an elite choice for the highest demands.
Specification |
|
Size |
40x40x20 mm |
Mounting hole spacing |
32x32 mm |
Connector & pin-configuration |
4-pin PWM |
Cable length |
20cm + 30cm NA-EC1 extension cable |
Bearing |
SSO2 |
Blade geometry |
A-Series with Flow Acceleration Channels |
Frame technology |
AAO (Advanced Acoustic Optimisation) |
Rotational speed (+/- 10%) |
5000 RPM |
Rotational speed with L.N.A. (+/- 10%) |
4400 RPM |
Min. rotational speed @ 20% PWM (+/-20%) |
1200 RPM |
Airflow |
9,4 m³/h |
Airflow with L.N.A. |
8,3 m³/h |
Acoustical noise |
14,9 dB(A) |
Acoustical noise with L.N.A. |
12,2 dB(A) |
Static pressure |
2,26 mm H₂O |
Static pressure with L.N.A. |
1,75 mm H₂O |
Input power (typical) |
0,46 W |
Max. input power |
0,6 W |
Input current (typical) |
0,04 A |
Max. input current |
0,05 A |
Operating voltage |
12 V |
Voltage
PWM signal |
5 V |
MTTF |
> 150.000 h |
Scope of delivery |
Low-Noise Adaptor (L.N.A.) 4-pin y-cable 30cm extension cable OmniJoin™ adaptor set NA-AV3 anti-vibration mounts Fan screws |
Warranty |
6 Years |
Note* |
Price,
feature and specifications are subject to change without notice. |