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A1418 / EMC 3069 / 2017 / 3.0 GHz quad-core i5, 3.4 GHz quad-core i5 or 3.6 GHz quad-core i7 Processor. Released June 8, 2017.

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Would a 2019 logic board work in this model?

I’m looking to upgrade my 2017 iMac and I understand that the stock board will only support up to a i7-7700k. The 2019 board supposedly works with up to a i9-9900. When looking at part compatibility the screens seem to be cross compatible which was my biggest worry.

Looking around the internet the only example I can find of the board swap working was on this forum. A user on here swapped his 2017 27” board for a 2019 27” board and claimed it worked but he didn’t go into any more detail. I am not worried about the cost of the swap since I got the computer for $25, I just want to mess around with it and upgrade it as best as I possibly can!

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The 21.5” systems use a different logic board than the 27” models. Apple never offered a i9 chip in the 21.5” and the power supply and systems cooling won’t support it.

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If I were to use a chip with the same TDP as the original i7 it should work though right?

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@kdn777 - The needed microcode would be the hang up as Apple never loaded the needed microcode in their firmware. Sorry 😞

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Alright, thank you!

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Kaden will be eternally grateful.
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