iMac 21,5" 2011 i7 2,8GHz 8GB RAM 1TB SSD K2100M GPU in OVP in Baden-Württemberg - Sersheim | eBay Kleinanzeigen ist jetzt Kleinanzeigen
iMac 2009 / 2010 / 2011 GPU upgrade — Fixing LED/LCD PWM brightness with an ESP32 | by Fixing Things | Medium
nVIDIA Quadro K2100M 2GB MXM Metal Video Card for iMac 11,1 / 11,2 / 11,3 / 12,1 / 12,2 A1311 A1312 Late 2009 / Mid 2010 / 2011 - AliExpress
For Apple iMac 21.5" A1311 Mid/Late 2009 2010 2011 NVIDIA K2100M 2GB Video Card | eBay
Big Sur on iMac 27", Mid 2011, flashed 4GB NVIDIA Quadro K4100M by Nikey22, having issues with screen brightness, any ideas? Brightness control was working with Catalina Patcher, after installing Big Sur
Flashing a GTX 765M for Mac using nvflash - YouTube
2011 iMac 27″ K1100M Graphics Card Swap And Install Catalina