Loading... Please wait...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.
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Size (Form factor)
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40 x 40 x 20 mm
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Speed range
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0 – 5000 rpm
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Airflow (max.)
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9.4 m³/h (5.53 CFM)
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Acoustical noise (max.)
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14.9 dB(A)
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Static pressure (max.)
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2.26 mm H₂O
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Rated voltage
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12 V
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Input power (typical)
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0.46 W
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Connector
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3-pin
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