Normalized Noise Tests
For these tests, I set the fan to speeds with noise output at the following predefined levels: 20/25/30/35/40/45 dBA. I skip the corresponding tests if the fan under the test cannot reach some noise levels. The speeds shown in the graph below are measured with the fan in a clear space inside my hemi-anechoic chamber without any obstacles. I set these speeds on the Longwin machine, but they slightly change because of the variable conditions that the device applies.
20 dBA Noise Output
- Low speed
- Low airflow
- Decent static pressure
- High power consumption (controller’s power consumption included)
25 dBA Noise Output
- Low speed
- Low airflow
- Decent static pressure
- High power consumption (controller’s power consumption included)
30 dBA Noise Output
- Low speed
- Low airflow
- Decent static pressure
- High power consumption (controller’s power consumption included)
35 dBA Noise Output
- Low speed
- Low airflow
- High enough static pressure
- High power consumption (controller’s power consumption included)
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Proprietary connections with need of a special SW (this fan), proprietary fan connections (BQ DR Elite) with special adjusted form factor of the fans (BQ DR Elite, CM MA824 Stealth & Assassin IV) that you cannot even buy from the manufacturer, and you have to look for it on AliExpress… And people think… what an “exclusive solution” …exclusive doesn’t mean something is “cool”, but the exclusion of other options, solutions, and replacements … and people are even willing to pay more for such an “exclusivity” … when the Apple can profit on it, why wouldn’t others try the same recipe.
…sorry for grumbling, but I can help myself 😊, …by the way great review as usual.
I hope that other manufacturer will not “applemimic” themselves and will not jump on the “great ship of exclusivity” and proprietary environment.
True, exclusive parts or connectors are not always good, especially when we are talking about fans. Corsair’s idea on the Link is good, but other brands won’t follow it, so it is only for Corsair products, which are expensive (but of good quality at least).
I think you have an error in your data for the Lian Li TL fan. CFM at 25dBA should be 44.6CFM and not the 57.2 you state and mmAQ should be 1.4 and not 1.62. I checked with the data from here: https://www.cybenetics.com/index.php?option=fans&manfID=79
HTH