I used Dockcase's new MagSafe SSD enclosure with my Pixel 9 Pro XL, and it was great

Dockcase has a new MagSafe SSD enclosure that lets you slot in an M.2 2230 or 2242 SSD to use with your phone, and it's very good.

source https://www.androidcentral.com/accessories/i-used-dockcases-new-magsafe-ssd-enclosure-with-my-pixel-9-pro-xl-and-it-was-great