OWC SSD Kits For MacBook Pro Retina Display 2012 - 2013
Amazon.com: 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! : Electronics
Mid-2012 Macbook Pro (SSD) Hard Drive Upgrade How To - YouTube