Products to attach RAM to expansion slots have long existed and continue to be developed. It's a matter of adding more memory once all of the DIMMs are full.
What to do with it, once it's there, is a concern of software, but specialized hardware is needed to get it there.
Products to attach RAM to expansion slots have long existed and continue to be developed. It's a matter of adding more memory once all of the DIMMs are full.
What to do with it, once it's there, is a concern of software, but specialized hardware is needed to get it there.
Also battery backup (or at least some beefy capacitors).