Model A1224 / Mid 2007 and Early 2008 / 2, 2.4, or 2.66 GHz Core 2 Duo processor

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Upgrade RAM to 6Gb in a 2133 iMac


I'm interested in Upgrading my iMac 20" Mid 2007 EMC2133, and in this review I read it's possible to 6GB

"iMac Intel 20" EMC 2133 and 2210 RAM Replacement

but in other places, like Crucial, a read that model only can be upgrade to 4Gb.

Which is the correct size?.

thanks a lot!

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I have an iMac 1224 early 2008 20". It has 4GB DDR2 SD Ram 667MHz and is 2.4 GHz Intel Core 2 Duo Serial Number W881442YZE2. It won't take 8GB but I found out over the net it could take 6 GB. Does that mean I put 2 x 4 GB in, and it doesn't register the full 8 GB only 6 GB or do I put one 2 GB and one 4 GB?

Please Advice/



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*Apple officially supports 4 GB of RAM, but third-parties have been able to upgrade the system to 6 GB of RAM using one 2 GB and one 4 GB memory module.

Supports 667 MHz PC2-5300 DDR2 SDRAM (200-pin SO-DIMM).

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What does it mean 3rd parties?


Tracy - not Apple. Usually Other World Computing.


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