If you're willing to jump your budget for external storage up to $320, you'll be looking at about 20 TB. That's the case for the WD Elements drive, which ends up looking more like a miniature PC ...

They are standard, especially for cameras, drones, and mobile devices, as well as some laptops. In combination with a USB-C card reader, SD cards can even be used as mini storage drives for notebooks.

Boardy is a USB stick made from dead trees. Shrinking tech means that your only real physical limit to squeezing a USB drive into anything is the plug itself, and this time the Boardy folks ...