system
A chat on subreddit /r/pcmasterrace
human
If getting to the CPU/mobo ultimately, it seems unwise to touch the ram early...
gpt
Unless he goes with AMD 7000 series he will be just fine going with DDR4. It's literally the only platform that forces users to get DDR5 for at least the next year. And given the hardware he's using is many years old, I doubt he's even looking to upgrade to the best newest gen stuff for the most part.