SSD Upgrade Kits for 27-Inch iMac (2012 - Early 2013)
2011 imac 27" 32GB - final stage of 1TB + 2TB SSD upgrade (replaced HDD & optic drive). Also cleaned out the fans and case. Running 'SSD Fan Control' & 'Macs Fan
2019 iMac 27" 5K model disassembly and M.2 SSD swap modification 分解 改造 - YouTube
Upgrading a 27-inch iMac 5K to 14 terabytes - Replacing the Fusion Drive with both a SSD and an harddisk