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Causing a power surge in the logic board of 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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Today's iMac (in two sizes)
Today's iMac (in two sizes)
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!
Removing the main ventilator shaft
Removing the main ventilator shaft
Many hours later, the iMac was working again!
Many hours later, the iMac was working again!
An average fly is bigger than most screws inside the iMac
An average fly is bigger than most screws inside the iMac
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

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