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Brands
Noctua NF-A4x20 FLX Premium Fan 40x20mm
 
Specifikationer
Art.no
NF-A4x20-FLX
Sku.no
NF-A4x20-FLX
EAN
9010018100112
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 FLX version provides 5000/4400/3700rpm speed settings via the supplied Low-Noise Adaptors and includes the 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
3-Pin
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
Rotational Speed with U.L.N.A. (+/- 10%)
3700 RPM
Airflow
9,4 m³/h
Airflow with L.N.A.
8,3 m³/h
Airflow with U.L.N.A.
6,9 m³/h
Acoustical Noise
14,9 dB(A)
Acoustical Noise with L.N.A.
12,2 dB(A)
Acoustical Noise with U.L.N.A.
8,5 dB(A)
Static Pressure
2,26 mm H₂O
Static Pressure with L.N.A.
1,75 mm H₂O
Static Pressure with U.L.N.A.
1,23 mm H₂O
Max. Input Power
0,6 W
Max. Input Current
0,05 A
Voltage
12 V
MTTF
> 150.000 h
Scope of Delivery

Low-Noise Adaptor (L.N.A.)
Ultra-Low-Noise Adaptor (U.L.N.A.)
30cm extension cable
OmniJoin? adaptor set
NA-AV3 anti-vibration mounts
Fan screws
Old version