I used this SSD flash drive to solve my Pixel 10 Pro XL storage problems

TeamGroup's X2 Max looks like any other flash drive. But what you don't realize is that it has a custom 1TB external SSD.

source https://www.androidcentral.com/accessories/storage/i-used-teamgroup-x2-max-ssd-flash-drive-to-deal-with-storage-issues-on-my-pixel-10-pro-xl