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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.
FAN DIAMETER | 40 mm |
ROTATION SPEED | 1200-5000 RPM |
QUANTITY | Single |
NOISE LEVEL | 14.9 dBA |
AIRFLOW | 9.4 m³/h |
CONNECTOR | 4-pin PWM |
COLOR | Brown |
VOLTAGE | 5 V-12 V |
DIMENSIONS | 40 mm x 40 mm x 20 mm |