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Noctua 40mm 5000RPM Fan (NF-A4x20-PWM)

Noctua 40mm 5000RPM Fan (NF-A4x20-PWM)
  • 40mm-Case-Fans-Noctua-40mm-NF-A4x20-PWM-5000RPM-Fan-4
  • 40mm-Case-Fans-Noctua-40mm-NF-A4x20-PWM-5000RPM-Fan-1
  • 40mm-Case-Fans-Noctua-40mm-NF-A4x20-PWM-5000RPM-Fan-2
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  • Product Name:
    Noctua 40mm 5000RPM Fan (NF-A4x20-PWM)
  • Model Number:
  • Brand:
  • Manufacturer Warranty:
    6 Year





40x40x20 mm

Mounting hole spacing

32x32 mm

Connector & pin-configuration

4-pin PWM

Cable length

20cm + 30cm NA-EC1 extension cable



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 @ 20% PWM (+/-20%)

1200 RPM


9,4 m/h

Airflow with L.N.A.

8,3 m/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

Input power (typical)

0,46 W

Input power (max.)

0,6 W

Input current (typical)

0,04 A

Max. input current

0,05 A

Operating voltage

12 V

Voltage PWM signal

5 V


> 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



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