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 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 Noctua’s trusted premium quality make it an elite choice for the highest demands
Size40x40x20 mm
Mounting hole spacing32x32 mm
Connector & pin-configuration3-pin
Cable length20cm + 30cm NA-EC1 extension cable
BearingSSO2
Blade geometryA-Series with Flow Acceleration Channels
Frame technologyAAO (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
Airflow9,4 m³/h
Airflow with L.N.A.8,3 m³/h
Airflow with U.L.N.A.6,9 m³/h
Acoustical noise14,9 dB(A)
Acoustical noise with L.N.A.12,2 dB(A)
Acoustical noise with U.L.N.A.8,5 dB(A)
Static pressure2,26 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 power0,6 W
Max. input current0,05 A
Operating voltage 12 V
MTTF> 150.000 h.
Ingår:
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
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