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Amazon.com: Valley Of The Sun Original Graphics Video Card GPU Replacement for Apple iMac A1311 Mid-2011 Core i5 2.7 MC812LL/A MC812 21.5 Inch Desktop Computer, AMD Radeon HD 6770M GDDR5 512MB Repair
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Mac mini Server (Mid 2011) Intel HD 3000 Graphics Running Perfectly with Legacy Pacthes from OpenCore - Call it Metal Support :) : r/BigSurPatcher
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Videoboard ATI Radeon HD 6750M 109-c29557-00 512MB iMac A1311 A1312 - used original spareparts for Macs
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