OWC SSD Kits For MacBook Pro Retina Display 2012 - 2013
How to Upgrade the SSD in a 15-inch MacBook Pro w/ Retina display (2012–2013) MacBookPro10,1 & 10,2 - YouTube
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
Amazon.com: Odyson - 768GB SSD Replacement for Apple MacBook Pro 13" A1425 & 15" A1398 (2012, Early 2013) : Electronics
How to Upgrade a Mid 2012 15" MacBook Pro - New RAM - New SSD! - YouTube