Amazon.com: Transcend 480GB JetDrive 720 SATAIII 6Gb/s Solid State Drive Upgrade Kit for MacBook Pro 13" with Retina Display, Late 2012 - Early 2013 (TS480GJDM720) : Electronics
Teardown of Mid-2012 MacBook Air Reveals Tweaked SSD Connector - MacRumors
MCE Technologies 1TB Internal SSD Flash Upgrade for MacBook Pro Retina (Mid 2012 - Early 2013) - Includes USB 3.0 Enclosure for Original Drive & Install Kit!