Sunon 12V 4010 Silent Axial Fan - 15.7dBA Vapo-Bearing Fan - Cover Expand

Sunon 12V 4010 Silent Axial Fan - 15.7dBA Vapo-Bearing



These Sunon 12V 4010 Axial Fans are even quieter than rustling leaves, offering very effective & extremely quiet operations for 3D Printing.

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When looking at a whole 3D Printer in action, it’s easy to be awestruck by the many little moving parts, all of which work together to produce results that none of the individual parts could achieve alone. And what always amazes us is how each and every single part plays a vital role in the success of the whole machine, and this even so for the fans that help to move heat and keep sensitive parts within safe operating temperatures.

With that being said, it’s unfortunate that fans, despite being critical to the mechanical health and safety of 3D Printers, are often some of the loudest components on the machines. Additionally (in a similar way to humans) these fans tend to get louder with age, and it’s never nice to have a fan moaning and complaining all day – especially when you’re trying to sleep while your machine is bringing your creations to life.

This is why we’ve been on a mission lately to get quieter fans like these beautiful Sunon Original 12V 4010 Silent Axial Fans, which have an ultra-low noise rating of just 15.7dBA due to the clever MagLev Vapo-Bearing that Sunon is so well-known for. In fact, to give you some perspective on just how quiet these Cooling fans are compared to typical fans, the 15.7dBA noise rating means that this fan is REALLY quiet, with the loudness falling somewhere between the loudness of a pin dropping, and the loudness of leaves rustling from the wind.

Finally, we’ve really enjoyed equipping all of our 3D Printers at home with these beautifully quiet fans, and complementing them with Silent Stepper Drivers too. It has made a world of a difference in the overall loudness of the machine, and as long as we are willing to slow down the mechanical motions of the machine during prints, we all now enjoy near-absolute silence, even while bringing our obscure and wonderful creations to life.


Sunon 12V 4010 Silent Axial Fan  -  Technical Specifications:

  • Manufacturer

– Sunon

  • Model Number

– HA40101V4-1000U-A99

  • Fan Type

– Brushless Axial Fan

  • Bearing Type

– MagLev: Vapo-Bearing

  • Operating Voltage

– 12V DC (4.5V Startup | 13.8V Max)

  • Rated Current

– 31mA (38mA Max)

  • Rated Speed (RPM)

– 5000 ±15% (@ 12V DC)

  • Rated Air Flow

– 5.4 CFM (0.151m3/min)

  • Rated Static Pressure

0.090 in H2O (22.4 Pa)

  • Rated Noise

– 15.7dB(A)

  • 3D Printer Compatibility

Creality CR-10S / CR-10 S4 / CR-10 S5   

  • Cooling Application

Rear Control Box / Hotend Assembly

  • Weight

– 15.4g

  • Dimensions

– 40 x 40 x 10mm


Helpful Notes for Installing Your New Sunon 4010 Silent Axial Fan:

Whilst many experienced Makers would consider the installation process of a cooling fan to be relatively simple, installing fans on Hobbyist 3D Printers is unfortunately not as simple as it should be. Fortunately, however, we’ve prepared these handy notes on this process, which should help you get your fan installed perfectly, and without any unexpected damage or hassles. They are as follows:

  • Check Your Polarities – Because many of the hobbyist fans and 3D Printers available to Makers are typically supplied by different manufacturers from all over the world, the first step that you should take is to check the polarity of the fan with a simple multimeter. This simple and relatively quick polarity check will ensure that you don’t break your new fan (or potentially worse) the moment you turn on the power.
  • Wiring Colours May Not Always Match – Don’t simply rely on colours that many of these fans are provided with, because they may not always have the same wiring colours as other fans with the exact same or similar specifications. Additionally, we’ve found that some 3D Printers may also have different wiring, which can sometimes even depend on the batch within the same series. As such, double-check the polarity and markings on the related boards as well, so that you don’t end up running your fan backwards or causing unexpected damage before you even get a chance to use the fan.
  • Matching Your Mounting Points – Given the fact that so many new models of 3D Printers come out each year, some machines might have slightly different mounting points. Fortunately though, this is one of the easiest problems to fix, and in addition to simply printing yourself a mounting unit to perfectly fit your fan, we have also provided a guide below that explains how you may be able to solve this problem with a simple pocket knife and a few minutes of time.


Additional Resources:

  • Finally, if you find that the spare fan you purchase is just not quite the right size on your Creality machine, this Creality Fan Fitting Guide from the highly reputable TH3D brand offers some great insights into how you can remedy this with minimal effort and a simple pocket knife.


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Sunon 12V 4010 Silent Axial Fan - 15.7dBA Vapo-Bearing

Sunon 12V 4010 Silent Axial Fan - 15.7dBA Vapo-Bearing