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Noctua NF-A4x20 PWM Premium Fan 40x20mm
 
Specifikationer
Art.no
NF-A4x20-PWM
Sku.no
NF-A4x20-PWM
EAN
9010018100105
Garanti
1 år
 
 
Featuring advanced aerodynamic design measures such as Flow Acceleration Channels and Noctuas 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 Noctuas trusted premium quality make it an elite choice for the highest demands.
FAN Specification

Size
40x40x20 mm
Mounting hole spacing
32x32 mm
Connector
4-Pin PWM
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 (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
Max. Input Power
0,6 W
Max. Input Current
0,05 A
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
Old version