IMac – How should different sized RAM be added to iMac

imacmemory

I have a mid-2011 iMac which came with 4GB RAM (2x2GB). I just bought 8 GB (2x4GB) and added it to get a total of 12GB. The current configuration is as follows:

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Given that the RAM is a different size, do I have the optimal locations for the different RAM chips? At the moment what I did was to simply add the 2 new sticks of RAM in the two empty slots.

Best Answer

That configuration should be perfectly fine. You can consult Apple's support documentation to be sure, but as long as your top two slots are filled using the original factory RAM and you installed the new RAM into the bottom slots (and you're using the right kind of RAM, of course) then your configuration should be OK.

Don't forget to run memtest!

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