How to open an iMac
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!
Continue reading![Removing the heatsink from the logic board](/blog/2020-07-30_upgrading-a-27-inch-imac-5k-to-14-terabytes/images/i_42_Removing-the-heatsink-from-the-logic-board_500px.jpg)
![Another box with parts - this time from Ireland](/blog/2020-07-30_upgrading-a-27-inch-imac-5k-to-14-terabytes/images/i_40_Another-box-with-parts-this-time-from-Ireland_500px.jpg)
![On the logic board I found a number - I took a photo of it during one of my numerous assembling sessions](/blog/2020-07-30_upgrading-a-27-inch-imac-5k-to-14-terabytes/images/i_38_On-the-logic-board-I-found-a-number-I-took-a-photo-of-it-during-one-of-my-numerous-assembling-sessio_500px.jpg)
![Be careful when lifting the glass, there are cables connecting the panel to the logic board](/blog/2020-07-30_upgrading-a-27-inch-imac-5k-to-14-terabytes/images/i_11_Be-careful-when-lifting-the-glass-there-are-cables-connecting-the-panel-to-the-logic-board_500px.jpg)
![](/blog/2020-07-30_upgrading-a-27-inch-imac-5k-to-14-terabytes/images/i_48_500px.png)
![The RAM hatch pops open using the secret button inside the power connector](/blog/2020-07-30_upgrading-a-27-inch-imac-5k-to-14-terabytes/images/i_07_The-RAM-hatch-pops-open-using-the-secret-button-inside-the-power-connector_500px.jpg)