maxupgrades.com: Single SSD Drives kit for iMac 27 inch 2012 Models with SATA Blade SSD Module / Heatsink/ Power Cable and DATA Cables for [SSD + HDD] with iMac Adhesive LCD Tape
Apple iMac HDD to SSD Upgrade Hyderabad
OWC 21.5" 2011 iMac SSD DIY Kit
2011 IMAC SAMSUNG 1TB 850 PRO SSD UPGRADE - 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
iMac 2011 27" Apple stock SSD swap | MacRumors Forums
How can i choose to boot from the second SSD harddisk for a mid 2011 iMac? - Ask Different