Model A1418 / Late 2013 / 2.7 & 2.9 GHz Core i5 or 3.1 GHz Core i7 Processor

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Only Hynix RAM compatible with iMac 21" late 2013?

There're two Hynix RAMs in iMac 21 inch late 2013.

I tried to replace Adata, Kingston, Apotop, TEAM RAMs with Hynix RAMs, but is not working.

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Standard RAM: 8 GB Maximum RAM: 16 GB*

RAM Type: PC3-12800 DDR3* Min. RAM Speed: 1600 MHz

Details: *By default, this system has 8 GB of 1600 MHz DDR3 SDRAM. Apple does not intend for one to upgrade the RAM in this system. However, as first reported by OWC, this system has two SO-DIMM slots (204-pin). Unfortunately, accessing these slots requires one to pry off the display that is glued to the case and remove the logic board.

Scroll down to get to the installation video on this link:

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I have replaced the original ram with Corsair modules 2x8gb. No problems encountered.

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Has anyone tried 2x16Gb to get 32Gb working? Thanks!

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It is normal working with GoodRam 16GB 1600MHz

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zeals75 will be eternally grateful.
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