How to Install a 2.5-inch SSD in the SSD Drive Bay of a 21.5-inch iMac (Mid 2011) iMac12,1 - YouTube
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
Videoguida: aggiungere un SSD su iMac 21,5" (2011) senza togliere HDD e SuperDrive
Apple iMac 21.5" (Mid 2011) | Core i5 | 4GB RAM | 500GB SSD – ProTech IT Solutions