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Right now my iMac has the Radeon HD 5750. Due to freezes and failures, i have decided to replace the gpu.1. What are my options (graphic cards) regarding the GPU replacement?2. Will the Ati HD 6750 work seamlessly?
Your official choices for your system ATI (AMD) Radeon HD 5750, 512 MB V-RAM, Apple P/N 661-5578ATI (AMD) Radeon HD 5750, 1 GB V-RAM Apple P/N 661-5579 2011 MXM boards AMD Radeon HD 6770, 512 MB V-RAM Apple P/N 661-5567AMD Radeon HD 6970, 1 GB V-RAM Apple P/N 661-5568AMD Radeon HD 6970, 2 GB V-RAM Apple P/N 661-5569 The problem is finding one that is still working! Many people pushed their systems harder than these GPU boards where designed to support running heavy graphics tasks. Also keep in mind the Apple boards have special firmware, unless you know how to burn the EEROM its best to stick with the real ones.