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How to install an SSD in 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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The Power Supply should be handled with extra care, don't touch any solder joint as the capacitors can retain some charge after disconnecting the power cable!
The Power Supply should be handled with extra care, don't touch any solder joint as the capacitors can retain some charge after disconnecting the power cable!
Many hours later, the iMac was working again!
Many hours later, the iMac was working again!
Work in progress: most parts removed, the logic board remaining
Work in progress: most parts removed, the logic board remaining
Removing adhesive strips - pretty low tech task
Removing adhesive strips - pretty low tech task
Few days after ordering my parts, a magic box appeared on my desk
Few days after ordering my parts, a magic box appeared on my desk
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!

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