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iMac "Core i5" 3.5 27" (5K, Late 2014) Specs (Retina 5K, Late 2014, MF886LL/A, iMac15,1, A1419, 2806): EveryMac.com
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How to upgrade the memory of a 27-inch iMac with Retina 5K display (Late 2014 - Mid 2015) iMac15,1 - YouTube
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