CPU upgrade in 2011 iMac

hello! I have a 2011 21.5 iMac with a 1TB ssd, 16GB memory and I have two CPUs im curious if either would be ok on the mother board. One is an I7 4770 and the other is the I7 3770 i would really appreciate any help

iMac 21.5″, macOS 13.6

Posted on Dec 27, 2023 11:55 AM

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Posted on Dec 28, 2023 5:14 AM

No. iMac motherboards only work with the small subset of CPUs that Apple used for that generation. For a 2011 21.5" the list of working CPUs is limited to: i5-2400S, i5-2500S, or i7-2600S.


Also while the CPU is socketed it is not considered user accessible.

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CPU upgrade in 2011 iMac

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