All-in-one desktop computers from Apple. iMacs have been equipped with Intel processors since January 2006.

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Adding Ram to iMac 27 inch earlier 2011

Hello iFixit comunity,

This is my first question and will be others :P

I want to install more RAM in my iMac. Can anybody tell me wich 4Gb RAM I should get? There´s tones of brands in the market, and I want the best for my machine.

Thanks in advice and also thanks for this amazing project call: iFixit!!

Best regards,


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i5 and i7 Quad Core iMac computers come with both top memory slots populated. These computers will not start up if only a single DIMM is installed in any bottom slot; these computers should operate normally with a single DIMM installed in any top slot. Core Duo iMac computers should operate normally with a single DIMM installed in any slot, top or bottom.

Use 4GB 512x64 PC3-10600 DDR3 SODIMM installed in pairs. Here's the RAM supplier I use that only handles Mac RAM:

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Thanks mayer!!!!

I checked out the website and I will buy the ram there.

Thanks again for this quick answer!!



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Eduard will be eternally grateful.
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