A lot of desktop motherboards have a slot for a M.2 WiFi card like that AX200. Usually though they already come with a card anyway. You can often also use the same ssd/HDDs going from laptop to desktop. CPU, RAM, and GPUs are different sizes and connectors though, and won’t be transferrable.
Main thing for choosing a mac is the personal preference for the OS / interface. Its not totally better than Windows, there’s pros and cons. You have to really want it to pay for the overpriced hardware. Even second hand they retain a lot resale value.