OWC Internal SSD DIY Kit for All Apple 27" iMac 2011 Models: iMac to SSD SATA 6Gb/s data & power cable, thermal safe adhesive mounting set. OWC DIY Kit for all Apple 27" iMac 2011 Models for installing an internal SSD into a system currently equipped with hard drive only. Install tools NOT included. Add a 3G or 6G Solid State Drive (not included) to your hard drive only equipped iMac to experience faster booting, near instant application launches and data transfer speeds up to 559MB/s! Before attempting to perform this installation, please watch the instructional video in its entirety to determine your ability to perform this complex procedure. OWC assumes no responsibility for damage that may occur during the install. Includes: iMac to SSD SATA 6Gb/s data & power cable, Thermal safe adhesive mounting set. This kit is compatible with 2011 iMac 27-inch (Model ID: iMac12,2)