MacBook Pro 13" Retina Display Late 2013 SSD Replacement - iFixit Repair Guide
MacBook Pro 13" and 15" Retina (Late 2013-Mid 2014) SSD - iFixit Store
MacBook Pro 13" Retina Display Late 2013 SSD Replacement - iFixit Repair Guide
SSD Upgrades for 2013, 2014, and 2015 MacBook Pro
How to install an SSD on a 15-inch Retina MacBook Pro
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