How to Upgrade the SSD on a MacBook Pro Retina Early/Mid/Late 2013/2014/2015 - Replacement Tutorial - YouTube
MacBook Pro (Retina, 15-inch, Mid 2014) - Technical Specifications
Amazon.com: Odyson - 128GB SSD Replacement for MacBook Pro 13" Retina A1502, 15" A1398 (Late 2013, Mid 2014) : Electronics
Reemplazo del SSD del MacBook Pro 13" Retina Display de mediados de 2014 - Guía de reparación iFixit
Amazon.com: Original 128GB PCI-e SSD Replacement for MacBook Pro Late 2013 - Mid 2014, MacBook Air Mid 2013 - Early 2014, iMac Late 2013 - Mid 2015, Mac Mini Late 2014 (Bulk, No Retail Packaging) : Electronics