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How to replace the main logic board in an iMac

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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Double, tripple, quadruple checking the PCIe SSD drive
Double, tripple, quadruple checking the PCIe SSD drive
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!
Removing the other iMac speaker
Removing the other iMac speaker
Removing the heatsink from the logic board
Removing the heatsink from the logic board
The SSD drive installed correctly, note how the connector is much deeper in its socket
The SSD drive installed correctly, note how the connector is much deeper in its socket
Many hours later, the iMac was working again!
Many hours later, the iMac was working again!

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