Gigabyte Aorus 140 ARGB: Short/quiet and lighted (blades)

Measuring the intensity (and power draw) of lighting

Blade length is always the “topic”, but will be more common with 140mm fans than smaller variants. Some bet on long blades for preference of selected features, the other manufacturer on short ones. And such (short) and overall more robust blades are also used by the 140mm Aorus fan. From certain points of view this is quite a big advantage, but for which something had to be sacrificed. It’s a quid pro quo.

Measuring the intensity (and power draw) of lighting

Modern fans often include lighting. This is no longer a “cooling” parameter, but for some users the presence of (A)RGB LEDs is important. Therefore, we also measure how intense this lighting is in our tests. These tests are the only ones that take place externally, outside the wind tunnel.

We record the luminosity of the fans in a chamber with reflective walls. This internal arrangement is important to increase the resolution for us to measure anything at all with lower luminosity fans. But also so that the readings do not blend together and it is obvious which fan is emitting more light and which one less.

Fan in the light chamber to measure the intensity of (A)RGB LEDs

The illumination intensity is measured in the horizontal position of the fan, above which is the lux meter sensor (UNI-T UT383S). This is centered on the illumination intensity sensing chamber.

The illumination is controlled via an IR controller and the hue is set to RGB level 255, 255, 255 (white). We record the brightness at maximum and minimum intensity. According to this, you can easily see if the brightness is high enough, but conversely also if the lower level is low enough for you.

In addition to the brightness intensity, we also measure the power draw that it requires. This is again through the shunt, which is between the Gophert CPS-3205 power supply and the (A)RGB LED driver. After this we get a reading of the lighting power draw. In the graphs we show it separately, but also in sum with the motor power draw as the total maximum fan power.


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New Arctic P14 Max: Anti-vibration and high speed

Those interested in 140mm fans have reason to rejoice. After the P12 Max, Arctic is also releasing the P14 Max, which is one size larger. These stick to the already established features, such as a significant speed increase, but also probably a noise reduction even at low speeds. By all accounts, these should be universal fans that will be efficient across the entire speed spectrum, and on all types of obstacles. Read more “New Arctic P14 Max: Anti-vibration and high speed” »

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Release of Noctua’s 140mm next-gen fans sticks to schedule

The title couldn’t fit a “despite complications with the frame”. Even though Noctua figured out that the fan blades could collide under adverse circumstances due to deformation of the frame in a more advanced stage of prototyping, it seems that the fix for this inconvenience didn’t take too long. We’re again at the point where it looks like Noctua’s 140mm LCP fans are right outside the doors of the retail market. Read more “Release of Noctua’s 140mm next-gen fans sticks to schedule” »

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Thermaltake Toughfan 14 Pro: Number one for radiators

While the selection of high-end 140mm fans is quite narrow, there is one model that may be of interest to you. Especially if you want the “most effective” for your radiator, at low noise levels. Certain features of the high-end admittedly don’t appear on the Toughfan 14 Pro, but when it comes to cooling radiators, Thermaltake’s fan doesn’t have much competition in this discipline. It will defend its place in silent builds. Although… Read more “Thermaltake Toughfan 14 Pro: Number one for radiators” »

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Comments (5) Add comment

  1. Nice to see the 140mm fan reviews rolling!

    Also, would it be possible to publish noise samples for your fan/cooler reviews? Preferably for all scenarios where you perform frequency analysis?

    1. And they will continue to come, tests of 140 mm fans. But we probably won’t exaggerate it, so that they stay in a relevant ratio (according to the interest in whichever format in general) to 120 mm models.

      Which noise samples do you mean? From spectrographs? Do you want that data for your own purposes, for your own analysis? If so, we can send you the noise levels at all frequencies in all tested scenarios almost immediately (e.g. by e-mail). We can certainly post them on the web somewhere, but it will take more time, as we will need to create a section for this somewhere. Making it make sense on the web will be more time-consuming and at the moment we are quite overloaded and it is hard to find space for extra activities. :/

      1. Always looking forward to your fan reviews regardless of size!

        For noise samples, I mean audio files so I can listen to them to make a subjective judgement. In reviews you often mention the differences in frequencies between obstacles/fan models etc. With audio files to listen to, it will be much more easy to understand the difference.

        Maybe you can consider compiling the audio files for each fan and upload to YouTube as a video, for example, which perhaps take relatively little effort, though I am not sure if the audio quality is satisfactory. Anyway, it is only a suggestion so please decide on whether you think it is worth the effort or not.

        1. I understand now, and I am also sorry that I am now likely to disappoint you.

          Sound recordings are something I boycott against and the goal is to get more and more people to learn to read spectrograms. Sure, it’s more complicated, but we plan to publish materials to facilitate reading these charts. We will select a few fans that have the biggest differences in the frequency characteristic of the sound, make a sound recording of them, and put a spectrogram against it. On it we then explain which component of the sound represents what in the spectral analysis.

          You know, I’m willing to sacrifice all my time for these things, but I have to see some meaning behind the results. And sound recordings don’t make sense to me because they can be extremely misleading. While the user thinks he’s hearing the fan, the sound system with the speaker on top is laughing at how they have been perfectly fooled. It is certainly not necessary to elaborate that the same recording sounds different on each speaker (it is determined by the frequency characteristics of the sound equipment of the end user), and this also with regard to the volume that the person sets. To judge something on the basis of the sound recording is therefore very inaccurate and misleading. I would probably suffer a lot when making them with my high demands on the relevance of things and at the same time it would reduce the relevance of spectrogram, which everyone sees the same way.

          I believe that after this message you will not give up on our tests and sooner or later you will surely find out (also with the help of various auxiliary materials, which we plan to publish on this topic), that you understand everything perfectly also with the help of spectrograms. 🙂

          1. Not disappointed at all, very satisfied with your answer. Looking forward to the articles explaining spectrograms, I’ll admit I never really understood how to interpret them.

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