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
SSD for Mid 2011 iMac 27-inch | hard drives for Mid 2011 iMac
OWC DIY Drive Upgrade/Install Kits for Apple iMac Models