Dear, I've gained some old ram lying around that I'm looking come use. What are the rules on mix RAM? As long as they're the very same modules (DDR, DDR2, etc.), must I experience any kind of performance issues?

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Signed, Mystified storage Mixer

Photo by Heather Greene.

Dear Mystified,

You room right about mixing various RAM modules—if there's one point you certain can't mix, it's DDR through DDR2, or DDR2 with DDR3, and also so top top (they won't also fit in the same slots). Lamb is pretty complicated, but there space a couple of things you have the right to mix and a few things you shouldn't. In any case, i don't introduce it. If you're buying brand-new RAM, you're more than likely going come make your life a lot simpler by purchase the specific same design as you right now have in your machine. The said, if you absolutely have to mix them, here are some basic guidelines.

You want to make sure each stick has the very same CAS latency, timings, and also voltage. While you deserve to tweak these settings in the BIOS to make the 2 sticks complement (we briefly proved you exactly how when we debated overclocking your processor), i don't recognize why you'd desire to. You'd need to spend fairly a little bit of time messing around with it all, and also probably underclock at least one of your DIMMs in the process—and there's no guarantee it would certainly work also then. Really, it's a lot more trouble than it's worth.

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