Model A1311 / Mid 2011 / 2.5 & 2.7 GHz Core i5 or 2.8 GHz Core i7 Processor

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Video card 512mb to 2gb

Please can any one help me with my iMac 21,5 may 2011, I have AMD 6770 512 mb and I want to replace with AMD 6970 or 6990 2gb

Can any one tell me if I can do or if is any way to do?

I know how to replace I open all ready my iMac to do is not a problem, I ask if it fit in or not or if is any way

Thank`s and Regard`s Steph

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Apple built some models with upgraded video options at the time of purchase, the video was never intended to be upgraded by a third-party.

However, based on disassembly photos and a variety of teardowns, it appears that some models had the video mounted on its own card and it is theoretically upgradable. Be that as it may, for firmware update & driver compatibility, you'd need to stay with an "OEM upgrade" (AFAIK there isn't one - you already have the "upgraded VGU) so I would advise against changing the VGU. because, after all the expense and labor you could have driver/firmware problems.

IMnsHO if you want a gaming machine sell this iMac and buy one. DIY isn't the answer to every question.

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ibmpc Marian will be eternally grateful.
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