I have an early 2008 iMac (8,1) as my second computer which unofficially supports up to 6gb of RAM (up to 4gb officially), PC2-6400 DDR2. I currently have 4gb of ram installed (2x2gb) and was considering upgrading to 6GB either by buying a single 4gb stick from OWC and swapping it in for one of the 2gb sticks, or by buying the 4GB + 2GB combo to replace both sticks.
Is the extra $10 for the combo worth it? I was assuming that in either case the RAM sticks will be mismatched since they are still different sizes, even if they are the same kind of stick otherwise. I was thinking that because of this, they won't be able to run in dual-channel mode anyway and so it won't really make a difference whether they are the same kind of stick (as far as brand/model is concerned). Is this correct?
Is the extra $10 for the combo worth it? I was assuming that in either case the RAM sticks will be mismatched since they are still different sizes, even if they are the same kind of stick otherwise. I was thinking that because of this, they won't be able to run in dual-channel mode anyway and so it won't really make a difference whether they are the same kind of stick (as far as brand/model is concerned). Is this correct?
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