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Corsair Air Series AF140 Quiet Edition 140mm Fan

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Quoting product code: N84QQ


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About this product


  • Spinning at 1150RPM, just 24dbA of noise is emitted so it’s quiet
  • Moves 67.8 cubic feet per minute (CFM) of air, producing fantastic airflow around your system
  • Standard 3-pin fan connector for connecting to almost any motherboard

Product overview

• Spinning at 1150RPM, just 24dbA of noise is emitted so it’s quiet
• Moves 67.8 cubic feet per minute (CFM) of air, producing fantastic airflow around your system
• Standard 3-pin fan connector for connecting to almost any motherboard
• Manufacturer part number: CO-9050009-WW

Special features
• Three different coloured rings are supplied so you can match your existing computer system’s colour scheme
• Supplied with a voltage step-down adapter for reducing the fan speed and noise generated

How much air does this fan move and is it loud?
If you’re looking for fans that can move large amounts of air while generating little noise, then these Corsair AF140 fans are perfect for you. Both fans have been set to spin at 1150RPM to produce a fantastic airflow of 67.8CFM throughout your case. Additionally, rubberised corners give you sound damping properties when standard screws are used, with this generating 24dBA of noise.

How do I change the fan speed?
Included with this fan is a voltage step-down adapter which lowers and fixes the voltage of the fan from 12V to 7V. Reducing the voltage of the fan like this causes the fan to spin more slowly and produce less noise.

Where should I place these fans?
This fan performs best when they are affixed in unrestricted spaces. Designed with high airflow generation in mind, this fan is capable of moving 67.8CFM of air. You could place them at the rear or the top of your PC case as exhaust fans for your rig’s motherboard, CPU, graphics card and other components that fill your case with heat. Alternatively, you can fix them to your side panel or bottom intake fan mounting positions.

Rated 4 out of 5 by from Great fans! Great cooling These fans are great, changed out the standard fans on my Fractal Design Define R4 for these, the colour rings weren't much use to me as you couldn't see them but still a nice touch to colour match your build and easily paint-able to further match a build. Air flow is impressive and my internal temps dropped around 5-7 degrees, nice and quiet too. The Specifications mentions using them on a radiator or Heatsink, I wouldn't recommend them for this however as they don't build much if any static pressure. If you want a radiator or heatsink fan I'd say go with the Corsair SP line of fans instead of the AF line
Date published: 2015-03-28
Rated 1 out of 5 by from Did not work Returned this because it did not work! Sadly noticed the wires were not colour coded which is poor practice for computer equipment.
Date published: 2017-01-24
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Product Specifications

Fan Bearing:

Advanced hydraulic


Mount Included:



Black (with blue/red/white ring)

Operating Specifications


67.8 cfm

Rotation Speed:


Static Pressure:

0.84 mm/H2Omm/H2O

Noise Level:


Adjustable Fan Speed:



0.7 to 1.2 WW

Operating Voltage:

7 to 12 VV



3-pin fan connector

Dimensions & Weight







Fan Weight:


Can the wires be adapted to a 12V car cigarette plug?

Asked by: KeithC
We would not recommend any modification to the item.
Answered by: Billy
Date published: 2017-01-27

Hi, this fan has a 3 pin plug. can you tell me what each of the cables carries, ie live, neutral. I want to connect it to a N40KC with has a two core cable to use in another application. Many thanks

Asked by: John the Swan
As this is not the use for which it was designed to be used we can't provide advice on this.
Answered by: Dominic
Date published: 2016-08-19

Which fan is the quieter, this one or the Fractal (n91qq)? And what type of connector does it come with? is it designed to plug into mother board?
Asked by: Dennis
3 pin MB connector. Without a product code to the other fan I can't compare it.
Answered by: DB
Date published: 2015-07-17

What voltage is this fan?
Asked by: Nick
Operating Voltage \t7V – 12V
Answered by: PC
Date published: 2015-07-17

Hello. Plaese could you tell me the power consumption of this fan as I need something like this for my college project.
Asked by: Henry
This would draw 1.2w per hour
Answered by: RS
Date published: 2015-07-17
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