Install 3 hard drives on iMac 2011 27" FAILED ... | MacRumors Forums
Apple iMac A1312 27 inch - 1 TB SSD - Intel Core i5 3.1GHz, 20GB RAM (Mid 2011) | eBay
Amazon.com: OWC SSD Upgrade Kit for 2011 21.5-inch iMacs, Mercury Electra 250GB 6G SSD, 18" SATA III 6Gbps Data Cable, Installation Tools and iMac Screen Adhesive Tape Set : Electronics
How To Upgrade/Replace Mid-2011 iMac 21.5" Hard Drive To an SSD! - YouTube
Mid-2011 27 inch iMac How to Replace Hard Drive with SSD (Short Version) #2011iMac #j2review - YouTube
Internal SSD DIY Kit for Apple 21.5-Inch iMac 2011
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
SSD gives new 21.5-inch iMac signifcant speed boost | Macworld