How to Install a 2.5-inch SSD in the SSD Drive Bay of a 27-inch iMac Mid 2011 (Updated) - YouTube
Cracking Open the 27" Apple iMac (2011) | TechRepublic
OWC SSD Upgrade Kits for 27-Inch iMac 2011
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