Apple iMac 27" Ende 2013, i5-3,2 GHz Quad Core, 8 GB Mem, 1 TB HD Catalina | eBay
How to Install macOS Catalina on an Unsupported Mac - MacRumors
iMac-Modell bestimmen - Apple Support (DE)
Apple iMac 21.5" Late 2013 Intel i5 4570r 2.70GHz 8GB RAM 1TB HDD macOS Catalina
We have a Late 2013 iMac that is only supported til Catalina. My colleague booted to Big Sur on one of our tester drives out of habit and… it just worked! Like
Apple iMac 27" Ende 2013, i5-3,2 GHz Quad Core, 8 GB Mem, 1 TB HD Catalina | eBay