Am doing something similar, I am trying to use LLC level 6 but it's being a bit funny, can u test something for me, on LLC level 6 this could help us both, lower Ur voltage down to 1.30v and if Ur using a 9th gen cpu put in multiplier of x49, while in the bios, select voltages and select adaptive, input the voltage, then choose the + symbol and leave it as +1v, save and go to windows, and run prime 95 and select small fft, run for around 10 mins, and list the vcore voltage, screen cap would be awesome, then decrease Ur vcore voltage to 1.200v leave LLC 6, and test again using prime 95 small ftt, if u get the exact same voltage using LLC level 6 as first test, then as I suspect the voltages ur using ar too high. For a i7 9700k 4.9ghzt is around 1.291v/1.32v Ur hitting nearly 1.4v to high bud.