AMD FirePro W7170M 4GB Metal Video Card 109-C769A1-00B_02 for iMac 11,1 / 11,3
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Nvidia Quadro K3100m 4gb Gddr5 Mxm3.0b Metal Gpu Video Card Flashed Vbios For Imac A1312 27-inch Mid 2010 / 2011 Upgrade - Laptop Repair Components - AliExpress
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Nvidia Quadro K3100m 4gb Gddr5 Mxm3.0b Metal Gpu Video Card Flashed Vbios For Imac A1312 27-inch Mid 2010 / 2011 Upgrade - Laptop Repair Components - AliExpress
Upgrading the graphics in our 2011 iMac (first attempt) - YouTube
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iMac 2009 to 2011 (A1311/A1312) Upgrade Guide – MacintoshMen
How I kept my iMac running for a decade | Cult of Mac
Late 2009 iMac 27" Video Card Repair [4850 Bake] - YouTube