About the Offset with RIVE. With an OC to 4.5, 4.6ghz, it's better to use the "Vcore fixed" or "Offset"?

For 4.5ghz, is stable at 1.285v (LLC High)
To set the offset, must be put Vcore to Auto, reboot, and if the Vcore is 1.35v.

I have to 1.35v - 1.28 = 0.07
Offset = - 0.07v

That's right?

LLC to "Medium" ou "High"?
The motherboard does not risk anything with these rising tensions (~ 1v idle and 1.30v Load)?

Thanks