How do I replace my AMD Radeon HD 6970M 1024 MB to run Mojave on my iMac (27 inch, Mid 2011)
How do I or Can I replace my AMD Radeon HD 6970M 1024 MB for one to run Mojave on my iMac (27 inch, Mid 2011) Processor 3.4 GHZ Intel Core i7 32 GB MHz DDR3
[Image Edited by Host to Remove Serial Number]
iMac 27", macOS 10.13
