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Model A1419 / EMC 3070 / Mid 2017 / 3.4, 3.5 or 3.8 GHz Core i5 or 4.2 GHz Core i7 Kaby Lake Processor (ID iMac18,3) / Retina 5K display. Refer to the older iMac Intel 27" Retina 5K Display (Late 2014 & 2015) guides as the system is very similar.

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Faster RAM upgrade than DDR4-2400

Apple indicates on their site that the RAM must be replaced with DDR4-2400, can it be replaced with faster RAM such as 2666 or 2800? And if I did so would it actually have any performance improvements over 2400?

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1 Answer

Faster RAM, when it even works on a Mac, really doesn't give you any speed bump.

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Mitchell will be eternally grateful.
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