What is the best graphics card I can upgrade to?
I have a 21.5" 2.5 GHz iMac (Mid 2011).
What is the best graphics card I can upgrade to and how do I install it.
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Apple only offered two configs for your system:
Here is the IFIXIT guide to replace it: iMac Intel 21.5" EMC 2428 GPU Card Replacement
Unless your system has a bad graphics card I wouldn't spend the money on the slight improvements of the AMD Radeon HD 6770M card. Sadly, the size of the card as well as its heatsink used in this model limit you.
Frankly, you might find getting a used 27" 2011 model as a cheaper solution with the better graphic cards it offers. Or, upgrade it if you must.
Unless you are working on images (pic or video) or a gamer. I don't think its worth jumping to the bigger video RAM cards.
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