How to Upgrade iMac Hard Drive (2007, 2008, 2009): EveryMac.com
Further Explained: Apple's iMac 2011 Model Hard Drive 'Restrictions'
iMac Repair & Upgrade, Same Day Services
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