Is there a rule of thumb for RAM upgrades?

Posted by Retrosaur on Super User See other posts from Super User or by Retrosaur
Published on 2013-11-03T02:38:45Z Indexed on 2013/11/03 3:58 UTC
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memory

I'm having a hard time figuring out whether or not a certain laptop/computer's RAM can be upgraded or not.

Is there a rule of thumb that determines how much max RAM one could add to a system without looking it up via external websites? A little bit of a background information: I work in computer sales at a computer electronics store, so it is virtually impossible for me to install any sort of software that would detect computer specs, and I get a lot of customers who wonder what laptop/desktop RAM upgrades usually are.

Is there a certain rule that adding more RAM entails? Does it make a difference if it's a 32-bit or 64-bit machine? OS?

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