Amazon.com: Sunvalley 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
Today picked up a $20 2011 iMac 27” with working gpu too! : r/mac
Trying to use my 2011 imac running high sierra as an external display for a OC via HDMI to miniDisplay port. Unfortunately I tried to book them up and using the windows (