Apple Imac 11,1 2009 A1312 Mac OS High Sierra 27" intel Core i5 750 2.6 8GB 3TB | eBay
AMD Radeon RX 5500 XT 5500XT 8GB Metal 3 MXM Video Card for iMac11,1 / 11,3 / 12,2 A1312 Catalina / Big Sur / Monterey / Win10 - AliExpress
27" iMac, Apple iMac (iMac11,1), Intel Core I5 2.66GHz Processor, 4GB RAM, 1TB HDD, DVD-RW, 2560x1440 Screen Resolution, Mac OS x 10.11.3 (El Capitan), with Keyboard/Mouse & Power Cable, Appears To Function. [