Hello there!
I upgraded my rig, went from a r9 390/6700k to a 4070ti/13700k, along with a Corsair Vengeance LPX 32GB 3200 CL16 RAM, Corsair Pure Power 750w and a Gigabyte z690 Elite DDR4 mobo. (Updated BIOS via flash before assembly)
After assembling everything, everything was working fine...