all I found was" I Mix Between Memory Speeds?
There are some motherboards that are really finicky with their memory however in general if you mix two (compatible) memory modules (or more) they will all run at the speed of the slowest module so you'll be ok.
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Im pretty sure that refers to have like one DDR400 and DDR266 so they would run at DDR266 right?, my question is what if the motherbored can only handle DDr266 and you put in like DDR400? iis that in there? if it is I missed it......
Also I like how on the FAQ everything is spelled right and grammer is good, exept for "ok" instead of okay. not like it matters, I dont right correctly at all. just thought it was kind of funny.