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Noctua NF-A4x20 5V PWM PC fan Brown (W x H x D) 40 x 40 x 20 mm

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A brown computer fan with a square frame and five blades, suitable for use in a cooling system.
A square, beige computer fan with brown blades and corner reinforcements. Ideal for cooling in compact cases.
Small, square computer fan in brown and beige, with rounded corners and seven blades, mounted in a plastic frame.
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26 Piece(s)
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Highlights & Details

Noctua NF-A4x20 5V PWM PC fan

  • Stylish brown adds a sophisticated look
  • Premium fan with aerodynamic design
  • Adjustable 5V version with low operating voltage
  • Extremely low noise emission of max. 14.9 dB(A)
  • High static pressure of up to 2.26 mm H2O
  • High volume flow of max. 9.4 m³/h.
  • Connection via 4-pin PWM
  • Very long life expectancy of over 150,000 hours

Technical specifications

Product type

PC fan

Fan size

40 mm

Noise emission (max.)

14.9 dBa

Noise emission

10.1 dBa - 20 dBa

Rotational speed (min.)

1100 U/min

Air discharge

9.4 m³/h

Rotational speed (max.)

5000 U/min

Type of bearing

N/A

Connection

4-pin PWM

Factory colour

Brown

Weight

180 g

Width

40 mm

Height

40 mm

Depth

20 mm

Dim

(W x H x D) 40 x 40 x 20 mm

Content

1 pc(s)

UKCA

yes

Documents & Downloads

User & Safety Instructions

User & Safety Instructions 2205434 Noctua NF-A4x20 5V PWM PC fan Brown (W x H x D) 40 x 40 x 20 mm

Description

The NF-A4x20 5V PWM is a high-optimized, low-noise 40 x 20 mm fan in premium quality with control via pulse-width modulation, which draws on forward-looking aerodynamic design measures such as flow acceleration channels as well as Noctuas AAO frame system. Smooth Commutation Drive technology and SSO reference class bearings ensure smooth running and excellent long-term stability. Modular cabling, optimum control and low-noise adapter make the NF-A4x20 a premium solution for the highest demands.

This text is machine translated.

Features

  • Format 40 x 40 x 20 mm
  • Bearing type: SSO2 bearing
  • Blade geometry: A-series with Flow Acceleration Channels
  • Rotational speed (+/-10%): 5,000 rpm
  • Minimum rotational speed (+/-10%): 1100 rpm
  • Volume flow: 9.4 m³/h
  • Noise emission 14.9 dB(A)
  • Static pressure 2.26 mm H2O
  • Max. power consumption: 0.5 W
  • Max. Current 0.1 A.
  • Operating voltage 5 V
  • MTBF>: 150,000 h
  • Connection: 4-pin

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