It is as fast as the Nextorage NX-PS1PRO and much faster than any USB 3.2 Gen 2x2 ... the Ugreen enclosure was the winner almost across the board. This reveals that whatever NVMe drive Nextorage ...

MAIWO K2024 40Gbps USB4 enclosure takes four M.2 NVMe 2230 to 2280 SSDs and serves as a 1-to-3 SSD duplicator.

The enclosure supports compact NVMe M.2 SSDs in 2230 and 2242 formats that you must buy separately. You can get a maximum capacity of 2TB, enough for up to three hours of recording in 4K ProRes.