HD Upgrade Kit for all iMac 2011 Models - 36.12EUR - OWCshop
SSD Installation Kit for 2011 iMac 27-Inch Models
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
Internal SSD Cable Upgrade Kit for Apple 21.5 Inch iMac 2011 Models 643131529790 | eBay
Install SSD iMac 2011 - How-To DIY Guide Tutorial
There is no "I" in Steve: iMac 21.5" mid 2011 CPU Upgrade and Repair