Model Identifier: A1419. Mid 2017 A1419 models (different board architecture). GPU: AMD Radeon R9 M380 (2GB GDDR5). Apple iMac 27 A1419 5K Logic Board i5 3.5GHz M295X 4GB 820-5029-A Late 2014 OEM. Apple iMac 27" A1419 Late 2012 Logic Board i5 3.2GHz GTX 675MX 1GB EMC 2546.
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