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This is my explanation as a user more, like you
The default operation of the Ryzen 7 2700X is designed to fluctuate between approximately 0.9v and 1.5v as you can see in the screenshot below
This is normal.
If you have not made any changes in BIOS regarding OverClock or processor power management and have selected a power plan in the Windows Control Panel as <AMD Ryzen Balanced Power Plan> or <High Performance> it is normal for the values EDC look red, because for the default operation of the Ryzen 2700X it is necessary to maintain the amperage intensity.
If you select another energy plan like <Balanced (Recommended)> you can see how the EDC values are reduced drastically and the color changes white, as you can see in the screenshot bellow
and also you will see how voltages and frequency are reduced in Mhz.
What would be of concern is that the EDC values will not be reduced in high performance loads, for example:
If I launch CB15 with <High Performance> as a selected energy plan, the EDC values, before in red, should be automatically reduced as you can see in the screenshot bellow
and the voltages of the cores should be kept at approximately 1.39v (in the previous image you can observe 1.4125v because I have made changes in BIOS).
I think you have no reason to worry.
To keep in mind about Microsoft Windows: The energy management in Ryzen platform still needs to be improved considerably.
Feel free to contact MSI or AMD technical support to solve all your doubts.