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
Aggiornamento iMac 21.5" - MID 2011 sostituzione HD con SSD Kingstone da 1 TB - YouTube
How to replace an iMac 2011 HDD to an SSD - YouTube