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Noctua NF-A4x10 40mm x 10mm 5000RPM PWM Cooling Fan

Featuring advanced aerodynamic design measures such as Flow Acceleration Channels and Noctua's AAO frame, the NF-A4x10 is an award-winning, premium-quality quiet fan in size 40x10mm. 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.

Key Selling Points

Award-winning NF-A4x10 design
Reduced motor hub size
Flow Acceleration Channels
AAO frame
Stepped Inlet Design
Inner Surface Microstructures
Integrated Anti-Vibration Pads
Custom-designed PWM IC with SCD
Stops at 0% PWM
SSO2 Bearing
Low-Noise Adaptor
OmniJoin Adaptor Set
Extensive cabling options

Product Features

Having received more than 50 awards and recommendations from the international press, Noctua's NF-A4x10 has become a proven premium choice for 40mm cooling needs. Its renowned efficiency has convinced tens of thousands of customers all over the world.

Thanks to its streamlined, compact motor design, the NF-A4x10's motor hub is smaller than with conventional 4cm fans. This allows for more blade surface area and thus contributes to the NF-A4x10's superior airflow and pressure performance.

The NF-A4x10 impeller features suction side Flow Acceleration Channels. By speeding up the airflow at the crucial outer blade regions, this measure reduces suction side flow separation and thus leads to better efficiency and lower vortex noise.

Noctua's AAO (Advanced Acoustic Optimization) frames feature integrated anti-vibration pads as well as Noctua's proprietary Stepped Inlet Design and Inner Surface Microstructures, both of which further refine the fan's performance/noise efficiency.

Noctua's Stepped Inlet Design adds turbulence to the influx in order to facilitate the transition from laminar flow to turbulent flow, which reduces tonal intake noise, improves flow attachment and increases suction capacity, especially in space-restricted environments.

With the tips of the fan blades plowing through the boundary layer created by the Inner Surface Microstructures, flow separation from the suction side of the blades is significantly suppressed, which results in reduced blade passing noise and improved airflow and pressure efficiency.

Integrated Anti-Vibration Pads made from extra-soft silicone minimize the transmission of minute vibrations while maintaining full compatibility with all standard mounting systems and fan clips used on heatsinks.

Supporting fully automatic PWM speed control, the NF-A4x10 PWM uses Noctua's novel, custom-designed NE-FD1 PWM IC that integrates Smooth Commutation Drive (SCD) technology. By providing smoother torque impulses, SCD suppresses PWM switching noises and thus makes the fan quieter at lower speeds.

When the fan is set to 0% PWM duty cycle by the motherboard or PWM fan controller, it will stop. This makes it ideal for creating setups with semi-passive cooling that automatically turn the fans off and thus run completely silent at idle if thermals allow.

The NF-A4x10 features the further optimized second generation of Noctua's renowned, time-tested SSO bearing. With SSO2, the rear magnet is placed closer to the axis to provide even better stabilization, precision and durability.

The NF-A4x10 PWM is supplied with a Low-Noise Adaptor (L.N.A.) that reduces the maximum fan speed from 5000 to 3700rpm. The L.N.A. can be used either to run the fan at a fixed speed of 3700rpm or to cap the maximum speed when using automatic PWM control.

Many devices featuring 40mm fans use proprietary fan headers, so the NF-A4x10 comes with Noctua's OmniJoin adaptor set. Just cut the original fan's cable, fix it to the adaptor using the supplied 3M Scotchlok connectors and you can plug the NF-A4x10 to proprietary fan headers!

The fan's short 20cm primary cable minimizes cable clutter in typical applications while the supplied 30cm extension provides extended reach when necessary. Both cables are fully sleeved and a 4-pin y-cable allows the connection of a second fan to the same PWM fan header for automatic control.

Attributes

Main Specifications

Air Flow

5.24 cfm

Dimensions (WxDxH)

4 cm x 4 cm x 1 cm

Fan Bearing

SSO2 bearing

Fan Diameter

40 mm

Fan Height

10 mm

Features

Pulse-width modulation (PWM) support, Advanced Acoustic Optimisation (AAO), flow acceleration channels, Smooth Commutation Drive (SCD) technology, integrated anti-vibration pads, Stepped Inlet Design, Inner Surface Microstructures

Manufacturer Warranty

6-year warranty

Noise Level

19.6 dBA

Package Content

Low-Noise Adapter (L.N.A.), OmniJoin Adaptor Set, extension cable (30 cm), 4-pin Y-cable, NA-AV3 anti-vibration mounts, 4 fan screws

Power Connector

4-pin fan connector

Product Description

Noctua NF-A4x10 PWM - case fan

Product Type

Case fan

Rated Voltage

12 V

Rotation Speed

5000 rpm

Noctua NF-A4x10 40mm x 10mm 5000RPM PWM Cooling Fan

Name: Noctua NF-A4x10 40mm x 10mm 5000RPM PWM Cooling Fan
Brand: Noctua
SKU: PLE-652445
Price: 35.00 AUD
Availability: OutOfStock

NF-A4x20-FLX

NF-A4x10-PWM

NF-A4x20 PWM

VIC :

VIC Warehouse

Out of stock

WA :

Bentley

ETA 15/6/2026

Cockburn

ETA 15/6/2026

Osborne Park

ETA 15/6/2026

WA Warehouse

ETA 11/6/2026

Wangara

ETA 15/6/2026

PLE Code

PLE-652445

Manufacturer

Noctua

Boxed Weight

0.2

Model Number

NF-A4x10-PWM

Warranty

3 Year Manufacturer Standard Return to Base

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This document and other documents provided pursuant are for informational purposes only. The information type should not be interpreted to be a commitment on the part of the Supplier. The Supplier cannot guarantee the accuracy of information presented. The user assumes the entire risk as to the accuracy and the use of this document. This document may include screenshots from the manufacturer's website which may be used for multiple variations of this product. The model number supplied at the top of this page (explicitly specified as "Model Number") is the exact model item you will receive.

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