Originally published at: http://www.howtogeek.com/194511/are-computers-with-more-ram-potentially-faster-if-all-memory-is-not-usually-in-use/
Having a computer with a hefty amount of RAM is a wonderful thing, but is it potentially faster if all of that memory is not usually in use? Today’s SuperUser Q&A post has the answers to a curious reader’s question.
More RAM is always a good thing to have. But don't expect wonders. It depends a lot which programs you are using and in what mix.
Here is the picture of a modest 4GB sytem that has been running all day and the caching has still not used all the available RAM. The light blue portion was never touched.
I have noticed recently that when building a Windows 7 machine from scratch that machines with just 4GB of ram are getting low ram messages about 144 updates into the initial 156 updates. That didn't use to happen. It now means updating a PC take a lot lot longer or you reboot and let the rest file in on the reboot.
So why can't I put a 32GB or 64GB USB flash drive in a slot and tell the OS - here use this memory instead of using the spinning HD of my PC for cacheing activities ? just asking....
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