The OWC Express 4M2 is a Thunderbolt 3 external enclosure for up to four NVMe M.2 drives. Configurable in a variety of RAID options via OWC’s SoftRAID XT software (which is included as a $100 add-on), this external enclosure packs some serious performance in a small package. In this review, I’ll be looking at this device and how it fits into my workflow as a Digital Imaging Technician in the motion picture industry.