zen+

Hi guys, I just recently upgraded my motherboard into a ROG B550-F. I reassembled my pc around it and it worked just fine for a week or so until it just doesn't boot up anymore. There is an orange debug light on DRAM and the PC only boots when the configuration is on single channel (A2B1). I...

Like for example ryzen 5 3600 is a 3rd gen (7nm) ryzen 7 2700x is a 2nd gen (12nm) Like what is the difference in these nanometers ?? any suggestions would be appreciated