This is a great piece of kit and makes the Pi5 fly ! I have been getting 800MB/s sustained read in tests.
As it makes the pi much taller I decided to design a 3D printed case specifically for this board and you can find it on the Printables website.
https://www.printables.com/model/722026-raspberry-pi-5-case-for-pimoroni-nvme-ssd-base/comments