ram crash

I recently upgrade my GPU to 3070 at first i want to try this on my old pc for fun MotherBoard= Asus H61 Plus [ 4 pin ATX CPU connector] CPU= i3 3220 RAM =12GB DDR3 PSU= GigaByte 500watts it used to be run with GTX960 properly i check Needed Power for this new 3070 on [...

I've just upgraded from a Ryzen 5 2400G to a brand new Ryzen 5 5600X, I have an AsRock A320m HDV 3.0, so I had to flash the latest updated Bios on the motherboard, everything was fine, I normally use XMP , with the previous CPU and bios the ram had no issue running, I was able to keep it stable...