How to replace the Fusion Drive in a 27-inch iMac 5K

Replacing the Fusion Drive with both a SSD and an harddisk

July 30, 2020 - Willem L. Middelkoop

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!

Removing screws from the iMac

The SSD drive installed correctly, note how the connector is much deeper in its socket

The factory installed 32GB SSD that we're going to replace

YES, it works! The new logic board accepted keyboard input and allowed me to proceed with macOS installation

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Articles (159)

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