Testing ACASIS TBU405 40Gbps M.2 SSD Enclosure Compatible with Thunderbolt 4 for Macs and Macbooks. I'm using Crucial P3 4TB NVMe SSD and getting speeds up to 2500MB/s using the enclosure on my 14' Macbook Pro. The drive does work as fast on my M1 Macbook Air and Mac mini too.
Acasis TBU405 Thunderbolt enclosure is 4 times faster than a generic USB-C SSD drive! Here is results putting the same Crucial P3 4TB SSD to a USB-C enclosure.