Tom's Hardware posted a review on the Sapphire GearBox Thunderbolt 3
A quote from the article:
Sapphire's GearBox makes it possible to add high-end graphics to any system with Thunderbolt 3 connectivity. The enclosure also supports gigabit Ethernet and USB 3.0. But it isn't as fast as we hoped.Sapphire GearBox Thunderbolt 3 Review
