Apple A1418 iMac 21.5in 2.7 i5 1 TB HDD 8GB RAM 2012 small chip on corner of LCD
Model A1418. Top left corner of LCD has a chip see pic 5. 1 Ethernet port. Headphone Port. Late 2012 Model. Running Mac OS 10.15.7 Catalina The latest it can run natively. Spec of this Mac.