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The Apple Support Community will permanently close on November 20, 2026. Starting today, the site will no longer accept new posts and is available in a read-only state.
You can continue to find trusted guidance and support on the official Apple Support site.
We want to thank the community members who have contributed their time and expertise to help others with their Apple products.
What’s the best graphics card you can upgrade to with a 2011 iMac?
iMac 21.5″, macOS 13.6
With all due respect, the best GPU upgrade for a 2011 iMac is to replace it with a current model iMac. It simply make no sense to spend money on a 14 year old computer assuming you can find the part. Current machines GPUs far out-perform 14 year old technology and can run current versions of Mac OS.
The iMac's CPU's and GPU's are not upgradable to anything other than a few of the OEM chips.
There are two replies to your first inquiry, at > CPU upgrade in 2011 iMac - Apple Community
If you look there, padams35 has been kind enough to share a list of options.
2011 iMac 21.5” GPU upgrade
