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gtx880

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    Imac 27" 2011 gpu upgrade gtx880

    About a month ago I came to this form and the GTX 880 was a supported GPU to upgrade or modify I purchased this GTX 880 took a while to get all the parts to do the modification purchased another heatsink 3 pipe cuz mine came with the two pipe now I don't see the GTX 880 on the list was there an...