Apple iMac 21.5 Inc. Quad Core i5-5575R 8GB 1TB Iris Pro 6200 WiFi Bluetooth Camera macOS Catalina (Late 2015) (Renewed) : Amazon.co.uk: Computers & Accessories
Electronics Apple iMac 27 inch Core i5 All in one-12541043|Mzad Qatar
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