Noctua NF-A4x10 Fan

 

Overview

Featuring advanced aerodynamic design measures such asFlow Acceleration Channelsand NoctuasAAOframe, the NF-A4x10 is an award-winning, premium-quality quiet fan in size 40x10mm. The PWM version sports Noctuas custom-designedNE-FD1 ICfor fully automatic speed control via 4-pin fan headers and comes with a Low-Noise Adaptor as well as anOmniJoin Adaptor Setfor easy connection to proprietary fan headers. Its superb running smoothness, reference-classSSO2bearing and Noctuas trusted premium quality make it an elite choice for the highest demands.

Features

Award-winning NF-A4x10 design

Award-winning NF-A4x10 design

Having received more than 50 awards and recommendations from the international press, Noctuas 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.

Reduced motor hub size

Reduced motor hub size

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.

Flow Acceleration Channels

Flow Acceleration Channels

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.

AAO frame

AAO frame

Noctua's AAO (Advanced Acoustic Optimisation) 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.

Stepped Inlet Design

Stepped Inlet Design

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.

Inner Surface Microstructures

Inner Surface Microstructures

With the tips of the fan blades ploughing 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

Integrated Anti-Vibration Pads

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

Custom-designed PWM IC with SCD

Custom-designed PWM IC with SCD

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.

Stops at 0% PWM

Stops at 0% PWM

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.

SSO2 Bearing

SSO2 Bearing

The NF-A4x10 features the further optimised 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 stabilisation, precision and durability.

Low-Noise Adaptor

Low-Noise Adaptor

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.

OmniJoin Adaptor Set

OmniJoin Adaptor Set

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!

Extensive cabling options

Extensive cabling options

The fan's short 20cm primary cable minimises 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.

6-year manufacturers warranty

6-year manufacturers warranty

Noctua fans are renowned for their impeccable quality and outstanding longevity. Like all Noctua fans, the NF-A4x10 features an MTTF of more than 150.000 hours rating and comes with a full 6-year manufacturer's warranty.

Specifications

Size

40x40x10 mm

Mounting hole spacing

32x32 mm

Connector & pin-configuration

4-pin PWM

Cable length

20cm + 30cm NA-EC1 extension cable

Bearing

SSO2

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%)

3700 RPM

Min. rotational speed (PWM, +/-20%)

1000 RPM

Airflow

8,9 m/h

Airflow with L.N.A.

6,6 m/h

Acoustical noise

19,6 dB(A)

Acoustical noise with L.N.A.

12,9 dB(A)

Static pressure

1,95 mm HO

Static pressure with L.N.A.

1,21 mm HO

Max. input power

0,48 W

Max. input current

0,04 A

Operating voltage

12 V

MTTF

> 150.000 h

Scope of delivery

30cm Extension Cable

 

NA-AV3 anti-vibration mounts

OmniJoin Adaptor Set

4-pin y-cable

Low-Noise Adaptor (L.N.A.)

4 Fan Screws

Warranty

6 years

No additional files, specification sheets, guides or documentation found for product.

Warranty: 60 Month Manufacturers Return To Base

Full manufacturers warranty details are available at the manufacturers (Noctua) web site.

Unless otherwise specified Techbuy is normally your first point of contact for warranty related returns, further information regarding our warranty policies and consumer guarantees is available on our policies and service & support pages.

To apply for return of a product just go to our returns page.

These terms are in addition to and do not affect any terms, conditions, guarantees and warranties implied by law.

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