And it will run at the same speed. But I would guess a lot of apps will requier more ram at some point. OP said it should last for " at least 5 years from now,

And it will run at the same speed. But I would guess a lot of apps will requier more ram at some point. OP said it should last for " at least 5 years from now, if not more." which I doubt. Maybe for light webbrowsing.