A cooler upgrade is particularly worthwhile when new processors are installed or older systems are subjected to higher loads.
RAM is a crucial component for a smooth PC experience. Linux doesn't require as much RAM as Windows. More is always better. I'm not going to start this with a "back in the day" because it's too easy ...
Forget the bare minimum: here's how much RAM you actually need to get the best performance out of your Linux system today.
Diagnosing a PC performance issue can be tricky, especially if you suspect memory is involved. Chances are, you've heard the advice of "just add more RAM", which is a blanket fix that's as old as PC ...