A new, external enclosure for high-performance SSDs can accommodate two flash storage devices and run them in a RAID configuration. The model is said to be quite robust and can be configured and used without the corresponding software.https://www.notebookcheck.net/JEYI-586R-External-SSD-enclosure-supports-RAID-configurations-and-is-actively-cooled.834465.0.html
With adapters you might be able to use any nvme SSD 😉