1TB SSD Replacement Kit for Apple iMac 27" A1419 (Late 2015) : Amazon.co.uk: Computers & Accessories
Upgrading a 27-inch iMac 5K to 14 terabytes - Replacing the Fusion Drive with both a SSD and an harddisk
OWC SSD Upgrade Kits for 27-Inch iMac 2009
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
How-To: Now's the right time to swap your old iMac's hard drive for a fast new SSD - 9to5Mac
OWC SSD Upgrade Kits for 27-Inch iMac 2011
iMac (Retina 5K, 27-inch, 2017) CPU and NVME SSD Upgrade Pitfalls and Tips | Page 3 | MacRumors Forums