The next-gen MacBook Pro with Retina Display: SSD Analysis
SSD in the new MacBook Pro with Touch Bar can't be upgraded
How to use an NVMe drive to upgrade your Mac's SSD | AppleInsider
Amazon.com: OWC 1.0TB Aura Pro NT High-Performance NVMe SSD Upgrade Kit with Tools, Compatible with 2016-2017 13-inch MacBook Pro Non-Touch Bar : Electronics
SSD in the new MacBook Pro with Touch Bar can't be upgraded
MacBook Pro (Retina, 13-inch, Early 2015) Upgrade to NVMe M.2 SSD - YouTube
Amazon.com: Sintech M.2 NVMe SSD Adapter Card for Upgrade 2016 2017 13" MacBook PRO A1708 Non-Touch Bar Models(Only For Late 2016-Mid 2017 Year) : Electronics
How to Upgrade the SSD in Your MacBook Pro with Retina Display | Laptop Mag