Use it to seed important torrents and/or Libgen.is seed

Build an offline library of knowledge and media for the apocalypse

Use an old computer or raspberrypi to make a home media server using Kodi

Create another manual, redundant, and encrypted off-site backup of all your files. Keep it with a reliable friend in another city.

Donate it to someone that doesn’t run a Bitcoin node but promises to if you give them the drive (would have to be a pruned node)

Install a Linux distro onto it and have it as a bootable workstation