I am kind of a newbie in computer hardware and I have an old computer that has actually 3GB of RAM installed, splitted on 4 slot: slot1 has a 1GB RAM stick, slot2 has 512MB RAM stick, slot 3 has 1GB stick and slot 4 a 512MB stick. I would like to know if it would be possible to replace one of the 512MB stick with a 2GB one; wich would give me 4.5GB of physical RAM. Will that cause a problem? Ive searched but couldnt find an answer to this.
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4.5GB of physical RAM. Will that cause a problem?
It will work fine, just possibly slightly suboptimal.
FYI What's the downside of mixing differently sized RAM modules? and https://www.tecinfoo.com/2018/02/cisco-unified-computing-system-freshers.html:
Mixing different sizes of RAM bars makes the CPU cycle asymmetric, which can cause delay in the CPU’s data fetching that could become a bottleneck. However, this would not cause a problem of compatibility.
Franck Dernoncourt
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