How To Upgrade/Replace Mid-2011 iMac 21.5" Hard Drive To an SSD! - YouTube
iFixit Offers Kit To Install 2nd Hard Drive in Mid-2011 iMacs | MacRumors Forums
How to Install a 2.5-inch SSD in the SSD Drive Bay of a 27-inch iMac Mid 2011 (Updated) - YouTube
Install SSD iMac 2011 - How-To DIY Guide Tutorial
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 connect power to SSD iMac 21.5-inch Mid 2011 without loosing hdd temp functionality | tonymacx86.com