Further Explained: Apple's iMac 2011 Model Hard Drive 'Restrictions'
iMac Intel 21.5" and 27" (Mid 2011) SSD Upgrade Bundle - iFixit Store
imac 2011 ssd upgrade ifixit,kurortstroy.org
OWC SSD Upgrade Kit for iMac 27" model 2011 - 4mac
OWC SSD Upgrade Kits for 27-Inch iMac 2010
iMac 27″ Mid 2011 – SSD nachrüsten › cremerSEELE
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
OWC DIY Drive Upgrade/Install Kits for Apple iMac Models