Upgrading an iMac GPU for METAL Support! Late 2009 – Mid 2011 Models - YouTube
For iMac 27" A1312 Mid 2009 2010 2011 upgrade NVIDIA K3100M 4GB GPU Video Card | eBay
memory - What can be replaced/upgraded in a late-2009 iMac to make it run like a 2014-2016 iMac? - Ask Different
Late 2009 iMac 27" Video Card Repair [4850 Bake] - YouTube
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Amazon.com: 2GB Graphics Video Card Replacement for Apple iMac Mid-2011 27 Inch A1312 Core i7 3.4 MD063LL/A MD063 Desktop PC Computer, ATI Radeon HD 6970 GDDR5 2 GB, New GPU Upgrade Repair
Upgrade GPU and CPU for a late-2009 Imac | MacRumors Forums
Amazon.com: Original Graphics Card GPU Replacement, for Apple iMac Late 2009 A1312 MC507LL/A 27-Inch Core i7 2.8 27-Inch Computer, AMD Radeon HD4850 HD 4850 GDDR3 512MB, MXM GPU Video Board Repair Parts :
Late 2009 iMac 27" Video Card Repair — 4850 — 2nd Bake - YouTube
Successfully baked iMac 27” late 2009 graphics card, ask me anything! (Yes I feel empowered lol) : r/mac
Amazon.com: Original Graphics Video Card for Apple iMac Core i7 2.8 27-Inch Late 2009 A1412 MC507LL/A MC507 Desktop Computer, AMD ATI Mobility Radeon HD 4850 GDDR3 512MB 109-B91157-00, GPU Upgrade Replacement : Electronics
For iMac 27" A1312 Mid 2009 2010 2011 6970m 1GB 2GB 109-C29657-10 Upgrade For Nvidia GTX 780M DDR5 4GB MXM TYPE-B VIDEO GPU CARD _ - AliExpress Mobile
Upgrading an iMac GPU for METAL Support! Late 2009 – Mid 2011 Models - YouTube
Can I replace/upgrade 4850 graphic card in 2009 iMac - iMac Intel 27" EMC 2309 and 2374 - iFixit
Someone gave me this unwanted Mac, anyone know if you can upgrade the graphics cards on these ? Keep seeing conflicting information it's a 24" early 2009 imac : r/mac
For iMac 27" A1312 Mid 2009 2010 2011 6970m 1GB 2GB 109-C29657-10 Upgrade For Nvidia GTX 780M DDR5 4GB MXM TYPE-B VIDEO GPU CARD _ - AliExpress Mobile