USB-C Thunderbolt 3 Compatible Flash Drive Enclosure
The Thunderbolt 3 port friendly USB3.1 Gen2 10Gbps external case for Mac accepts 2230 2242 2260 2280 millimeter length NVMe PCIe SSD of your choosing. It supports capacities up to 2TB solid-state flash memory modules.
We still haven't seen a true Thunderbolt 3 flash memory drive enclosure like this one with a native TB3 chipset. In the meantime, USB-C will be fast enough. Using USB-C protocol on an Apple Mac, this drive is capable of Read/Writes up into the 1000MBps range, fully maxing out the 10Gbps bandwidth of its USB 3.1 Gen 2 connection.