Model Identifier: A1419. Apple iMac 27" A1419 Late 2012 Logic Board i5 3.2GHz GTX 675MX 1GB EMC 2546. Apple iMac 27 A1419 5K Logic Board i5 3.5GHz M295X 4GB 820-5029-A Late 2014 OEM. Apple iMac 27" Mid 2017 A1419 Logic Board Radeon Pro 575 4GB NO CPU 820-00609-A.
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