Last year I reviewed the Sonnet Fusion Thunderbolt 3 SSD, and at the time it was the fastest bus-powered external SSD that I had ever tried.

from https://9to5mac.com/2018/09/05/review--x5-thunderbolt-3-portable-ssd-video/
https://9to5mac.com/wp-content/uploads/sites/6/2018/09/Samsung-X5-Portable-SSD.jpg?quality=82&strip=all&w=1600