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How to upgrade 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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The RAM hatch pops open using the secret button inside the power connector
The RAM hatch pops open using the secret button inside the power connector
Work in progress: most parts removed, the logic board remaining
Work in progress: most parts removed, the logic board remaining
Holding the Quad core processor in my hand
Holding the Quad core processor in my hand
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!
Removing the power supply board
Removing the power supply board
Oops: the newly installed SSD drive is not correctly fitted in the PCIe slot! An expensive mistake!
Oops: the newly installed SSD drive is not correctly fitted in the PCIe slot! An expensive mistake!

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