Don't bother with thunderbolt 4, go for USB 4 enclosure instead - I've got a Jeyi one. Any SSD will work, I use a Samsung 990 pro inside. It was supposed to be the fastest you can get - I get over 3000MB/s.

Here is the rabbit hole you might want to check out: https://dancharblog.wordpress.com/2024/01/01/list-of-ssd-enc...