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

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Can the RAM be increased to over 4GB?

Can the 2 GB / PC2-6400 800MHz chips be replaced by a higher memory chip?

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Yes, it can be done. I own an i-mac intel 20" 2210, and

I have managed to increase the RAM to 8 GB using two 4GB modules

manufactured by Patriot (Patriot Signature Series) part# psd24g8002s.

I am not sure if other modules by other manufacturers would work the

same.

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It depends--according to Mactracker a 2007 will take 4--a 2008 will take 6 and a 2009 will take 8. A 2006 model is limited to 2GB. Ralph

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Thanks for the responses. The August Macworld lists the "actual" upgrade for any EMC 2210 as being 6 GB, though I have found no lead to confirm this, or to obtain such a chip. Since my model is a 2007 iMac, I may be out of luck. IAC, tomorrow, I'll call Patriot and see what they have to say.

Aguaybana—Do you know if your iMac is actually able to use all 8 GB?

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It will actually only will accept only 6 g. I tried 8g and it recognized it

But the computer slow down significantly.

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According to OWC, the 2133 (mid-late 2007) will accept 6 Gb; 4 in the right bank and 2 in the left. I have installed this and it is recognized by the machine when selecting "about this mac".

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Rich will be eternally grateful.
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