Zachary - You should go back to your original question as the answer is there as far as upgrading your system. You can install either a i5 or i7 CPU.
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Zachary - You should go back to your original question as the answer is there as far as upgrading your system. You can install either a i5 or i7 CPU. [https://www.ifixit.com/Answers/View/552921/What+cpu+can+I+upgrade+my+iMac+to]
As far as sliding in a 2012 logic board, sorry thats not possible! Apple altered the 21.5 system design quite radically in 2012.
An alternative to upgrading the CPU & GPU board is to replace the full logic board with the 2011 21.5” iMac with either a i5 or i7 logic board within this series [https://everymac.com/ultimate-mac-lookup/?search_keywords=iMac12,1|iMac12,1]
Zachary - You should go back to your original question as the answer is there as far as upgrading your system. You can install either a i5 or i7 CPU.
As far as sliding in a 2012 logic board, sorry thats not possible! Apple altered the 21.5 system design quite radically in 2012.
An alternative to upgrading the CPU & GPU board is to replace the full logic board with the 2011 21.5” iMac with either a i5 or i7 logic board within this series [https://everymac.com/ultimate-mac-lookup/?search_keywords=iMac12,1|iMac12,1]