Newest iMacs have removable GPU, ambient light sensor | Ars Technica
Apple Initiates Video Card Replacement Program for Radeon HD 6970M Equipped Mid-2011 27” iMacs
Late 2009 iMac 27" Video Card Repair — 4850 — 2nd Bake - YouTube
Refurbished 24-inch iMac Apple M1 Chip with 8‑Core CPU and 8‑Core GPU, Gigabit Ethernet - Silver - Apple
iMac Intel 27" EMC 2374, AMD Radeon HD 4850 Video Card Removal & Repair - iFixit Repair Guide
24-inch iMac: M1 chip, 8-core CPU 7-core GPU, 8GB, 256GB - MiTech - Miami University Technology Store
Rent iMac All-in-One 24" Apple M1 Chip 8GB Memory 256GB SSD Integrated 7-core GPU (Mid 2021) from $49.90 per month
Upgrade 24” iMac video card - ATI Radeon 256MB to NVIDIA GeForce 512MB - Ask Different
2010 iMac GPU Upgrade to NVIDIA GTX 765M - YouTube
2011 iMac 27″ GPU failure Fix/Upgrade – JCYCLE
hardware - Is it possible to replace the GPU in this 2006 iMac? - Ask Different
How to Bake a Failing Graphics Processor to Possibly Live Another Day - DreamLight.com
Amazon.com: 2GB Graphics Video Card HD6970M Replacement, for iMac Mid-2011 27 Inch A1312 Desktop PC Computer Core i5 MAC814LL/A MC814, AMD Mobility Radeon HD 6970M GPU Upgrade MXM Board Repair Parts :
Base M1 iMac With 8-Core CPU, 7-Core GPU Features Just One Fan for Cooling -
GPU Nvidia N13E-GT-W-A2 Graphic Video IC Chip for iMac 27" A1419 (Late 2012)
Amazon.com: Valley Of The Sun Original 1GB Graphics Card for Apple iMac 2010 27" Core i7 2.93 Desktop Computer MC784LL/A MC784 A1312, ATI Radeon HD 5750 GDDR5 1 GB Video Cards GPU
Original Ati HD 6970M 5750m 4850 4670 Graphics Card Video Card 1GB 2GB 109 C29657 10 For Apple iMac 27" A1312 GPU 2009 2010 2011|Laptop LCD Screen| - AliExpress
For Apple Imac 27" A1312 Vga Card Gpu 216-0732019 Video Card Graphic Card 109-b90957-00 Hd4850 512mb Full Tested - Tablet Lcds & Panels - AliExpress
Original For Apple Imac 27" A1312 Vga Card Gpu 216-0732019 Video Card Graphic Card 109-b90957-00 Hd4850 512mb Full Tested - Pc Hardware Cables & Adapters - AliExpress
Amazon.com: 2 GB Graphics Video Card GPU Upgrade Replacement for Apple iMac Mid-2011 A1312 27 Inch Core i7 3.4 i5 3.1 Desktop Computer, New AMD Radeon HD 6970M HD6970M 2GB MXM Board