nekkron Posted October 12, 2008 Share Posted October 12, 2008 Alright, so the last few months i've been throwing around some parts to see what I like, the last thing i'm focusing on is RAM. I already own a pair of PC6400 1024MB modules, running 5-6-6-24 @1020MHz, and want some more RAM but don't want to replace it. I'm looking at the PC6400 2048MB modules, which are same timing and voltage as my current stock ones; 5-5-5-18 @1.9v. So my question, is it alright to run a pair of 1024 and a pair of 2048 together if they are the same modules only a different capacity? I do use a 64-bit OS so limitation is not a factor, but I also realise that the load from the memory controller is far more, so I will not be able to run my RAM at those speeds when using 4-up. If needs be, I am willing to swap my current 2x1GB modules for 2x2GB modules, but I would prefer to keep them, i'm just unsure if it's going to radically alter how far I can push my system having all four DIMM's in operation. Link to comment Share on other sites More sharing options...
Wired Posted October 12, 2008 Share Posted October 12, 2008 They aren't the same. They'll use different ICs. Best to stick with memory sticks that are the same size. You can certainly try it of course. Link to comment Share on other sites More sharing options...
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