4-Bay 2.5"/3.5" HDD/SSD RAID enclosure with Thunderbolt 2 - Newegg.com
Netstor NA622TB3 - World's First Thunderbolt 3 External M.2 SSD Storage with Built-in PCIe Switch - Newsshooter
Buy Cable Matters 10Gbps Aluminum Dual Bay 2.5 Inch External SSD Enclosure USB C Enclosure with USB-C and USB-A Cables Supporting RAID 1 and RAID 0 - Thunderbolt 3 Port Compatible Online