Amazon.com: OWC SSD Upgrade Kit for 2011 21.5-inch iMacs, Mercury Electra 1.0TB 6G SSD, 18" SATA III 6Gbps Data Cable, Installation Tools and iMac Screen Adhesive Tape Set : Electronics
Internal SSD DIY Kit for Apple 21.5-Inch iMac 2011
OWC Complete DIY Hard Drive Upgrade Kit for Apple iMac 2011