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Model A1419 / EMC 2806 / Late 2014 or Mid 2015. 3.3 or 3.5 GHz Core i5 or 4.0 GHz Core i7 (ID iMac15,1); EMC 2834 late 2015 / 3.3 or 3.5 GHz Core i5 or 4.0 GHz Core i7 (iMac17,1) All with Retina 5K displays

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GPU upgrade/replacement, SSD upgrade and CPU upgrade

Hi there!

I have a late 2015 iMac 27" and I was wanting to do a few things to it. Its current specs is the base model

What is the max gpu I could put inside the iMac even if I have to modify it?

Would I have to install drivers and how would I do it? Could I put an NVIDIA card inside the iMac?

Secondly I want to put an SSD inside it. Is it just as simply as placing a 3.5inch ssd into the SATA port or is there something else I have to do as well?

As I cherry on the top, what is the most powerful cpu I could put inside it?

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The GPU chip is soldered in unlike the older MXM models in the 2011 and older iMacs. So, you would need a logic board swap out to get the high end Apple offered. Not really worth it.

You have two options the SATA port as well as a custom blade SSD refer to these guides

As far as CPU you are limited to what Apple offered for this series 4.0 GHz Core i7 (I7-4790K)

crwdns2886500:0iMac Intel 27" Retina 5K Display Hard Drivecrwdne2886500:0

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iMac Intel 27" Retina 5K Display Hard Drive Replacement

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iMac Intel 27" Retina 5K Display Blade SSD Replacement

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