Found this adaptor for 2016/2017 non-touch bar for ssd upgrades | Page 17 | MacRumors Forums
MacBook Pro 2016 2017 SSD aufrüsten ⌚️ 🖥 📱 mac&egg
Neue MacBook Pro: Analyse des Innenaufbaus zeigt austauschbare SSD* - ComputerBase
Amazon.com: INDMEM NVMe PCle SSD 512GB 3D TLC Flash Hard Drive with Tools for Upgrade 2016 2017 13" MacBook PRO A1708(EMC 2978/3164 Non-Touch Bar Models(Late 2016-Mid 2017 Year) : Electronics