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amd radeon hd 6770m 512 mb

  1. Mr_Indigo

    Mac (27-inch, Mid 2011) GPU Upgrade?

    Hi, is it possible to upgrade my iMac's GPU: AMD Radeon HD 6770M 512 MB and if so what can it be upgraded to? I would like to be able to utilise Metal. rest of specs are: High Sierra 10.13.2 12 GB 1333 MHz DDR3 2.7 GHz Intel Core i5