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

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RAM Upgrade help for 8,1 iMac

Hello there!

I have a iMac (20-inch, Early 2008) iMac8,1 MB324ZP/A, i want to upgrade my imac to 4gb ram.

Will this' (http://www.flipkart.com/transcend-ddr2-8...) work on my iMac.

Thanks in advance.

Martin Ravva

Answered! View the answer I have this problem too

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Yes, this should work with your 20-inch Early 2008 iMac. This generation uses 800Mhz PC2-6400 DDR2 SO-DIMMs. You might consider upgrading to 6GB in order to max it out, using a 4GB DIMM and a 2GB DIMM. The Apple official maximum memory is 4GB however the tested maximum is actually 6GB.

One of the various companies showing 6GB maximum

Hope that helps you!

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I just upgraded (3-9-16) my early 2008 20" iMac to 6GB RAM package from Other World Computing (OWC). You just have to make sure the 2GB and 4GB go in the correct slots. Otherwise, the computer will continue to beep 3 times. Seems to be working fine so far.

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What are the correct slots? Going to try to do this my self.

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Here's the IFIXIT guide you'll need to follow: iMac Intel 20" EMC 2133 and 2210 RAM Replacement.

This system has two slots, it does not matter which slot gets a given RAM module.

As you have a mixed set here (one 2GB and one 4GB module) some people think its' best to have the first module be the larger. So if you place the larger module in Bank 0 it will be used first. After you install the RAM go to About This Mac > System Report, then go to Memory section to check which way you installed the modules.

Just make sure you use the correct type and speed (review the info in the IFIXIT guide)

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Extremely sorry for the late response.... the RAM did work, will try to get another 4GB to max it out.

Thank you

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Thanks was My Question Also .. I see it Some were .. I was thinking they jock or they was wrong .. LOLz

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This does seem possible, I've found many reports making out an iMac8,1 can be upgrade up to 6GB easily - http://www.amazon.co.uk/gp/product/B001R...

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Martin Ravva will be eternally grateful.
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