MacBook Pro (Retina, 13-inch, Early 2015) Upgrade to NVMe M.2 SSD - YouTube
Amazon.com: Sintech USB 3.2 Type C External Case, Compatible for 28Pin SSD from MacBook Air(Mid 2013-2016) and MacBook PRO(Late 2013 - Mid 2015),Support nVME SSD if with M.2 Card ST-NGFF2013 : Electronics
MacBook Pro Early 2015 SSD Upgrade - YouTube
SSD Upgrades for 2013, 2014, and 2015 MacBook Pro
Upgrade SSD on Mid-2015 15" Retina. Which SSD? | MacRumors Forums
Amazon.com: OWC 2.0TB Aura Pro X2 Complete SSD Upgrade Solution with Tools & OWC Envoy Pro Enclosure Compatible with MacBook Air (Mid 2013-2017) and MacBook Pro (Retina, Late 2013 - Mid 2015) : Electronics
How to Upgrade the SSD on a MacBook Pro Retina Early/Mid/Late 2013/2014/2015 - Replacement Tutorial - YouTube
MacBook Air 11" (2013-2015) 13" (2013-2017) MacBook Pro Retina 13" and 15" ( 2015) SSD
15" 15 Inch Retina MacBook Pro A1398 Mid 2015 Complete Disassembly (Almost) SSD Upgrade - YouTube