Earlier quoted context omitted.
With system 76 you get not just the processor, but also the other parts. You know System 76 didn't change network interfaces to something new with no linux drivers mid stream. Or Wifi, USB chipset, some BIOS, or one of the many other non-processor parts that manufacture change all the time. If there are drivers the substitution doesn't matter to anyone, but often there are no linux drivers for 3-6 months (best case -…
Costco list the model and the manufacturer provides all the information about the chips on their website. If you're running a distro with a 2 year old kernel then you may have issues, but I run Arch so it works flawless. I just got a Ryzen 4600 on Costco for $429 and everything works great.
System76 is there for those people.