These are pretty slow. Might as well be USB 2.
Took a while to just benchmark them.
Testing was done on my Threadripper 2950x with X399 Fatal1ty board. They were plugged into the USB 3.2 Gen 2 port ( Says USB 3.1 Gen 2 on the board, which is now called USB 3.2 Gen 2. It's the 10Gbps port. )
41MB/s average read speed
17.5MB/s average write speed