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How to upgrade a 27-inch iMac 5K

Replacing the Fusion Drive with both a SSD and an harddisk

July 30, 2020 -

This month I did an attempt to upgrade my 27-inch iMac 5K. I wanted to replace the fusion drive with a SSD and a large hardisk. In addition I decided this was a good time to upgrade the RAM memory as well, maxing it out at 64GB. I was on a mission to create the ultimate iMac, but things didn't go to plan!

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Removing the antenna cables, remember their order using a piece of tape
Removing the antenna cables, remember their order using a piece of tape
An average fly is bigger than most screws inside the iMac
An average fly is bigger than most screws inside the iMac
Removing adhesive strips - pretty low tech task
Removing adhesive strips - pretty low tech task
Disconnecting the power button cable
Disconnecting the power button cable
LUCKY ME! Found a perfectly matching replacement logic board - in new old stock condition!
LUCKY ME! Found a perfectly matching replacement logic board - in new old stock condition!
After installing the new RAM, I powered on my iMac to see if the new modules worked - they did!
After installing the new RAM, I powered on my iMac to see if the new modules worked - they did!

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