How can i choose to boot from the second SSD harddisk for a mid 2011 iMac? - Ask Different
Upgrading a 27-inch iMac 5K to 14 terabytes - Replacing the Fusion Drive with both a SSD and an harddisk
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 iMac Hard Drive (2009, 2010, 2011): EveryMac.com
Install 3 hard drives on iMac 2011 27" FAILED ... | MacRumors Forums