1. A1708 MacBook Pro now supports M.2 NVME SSD with an adaptor!​​​

In the video, I installed a 2TB (Toshiba XG5 2280) NVME SSD to my A1708. The result is promising.
Please note that the 2280 SSD is for testing purposes only and not recommended for long term use.
Currently, I am using a 2242 512GB SSD (WD SN520) for my A1708.

If your MacBook fails to recognize the NVME SSD, this means you need to reset the boot firmware. Here is the best practice for troubleshooting (https://youtu.be/l9KY_gaSfFg)

Видео 1. A1708 MacBook Pro now supports M.2 NVME SSD with an adaptor!​​​ канала Leo Everyday Tech