Install 3 hard drives on iMac 2011 27" FAILED ... | MacRumors Forums
How to Upgrade the 3.5-inch Main Drive in a 21.5-inch iMac Mid 2011 (Updated) - YouTube
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 Upgrade/Replace Mid-2011 iMac 21.5" Hard Drive To an SSD! - YouTube
2011 IMAC SAMSUNG 1TB 850 PRO SSD UPGRADE - YouTube