TR-004 | 4 Bay USB Type-C Direct Attached Storage with Hardware RAID | QNAP (US)
Use a bunch of USB Flash drives in a RAID array. - YouTube
TerraMaster D5-300C USB 3.0 (5Gbps) Type C 5-Bay RAID Enclosure Support RAID 0/1/Single Exclusive 2+3 RAID Mode Hard Drive RAID Storage. PC PitStop Data Storage Solutions - SAS Enclosures, DAS, NAS, iSCSI
Team Group 64GB C186 USB 3.1 Flash Drive - Newegg.com