Another solution would be to copy modified files at a certain interval onto another drive that’s kept in a safe place to provide a physical backup of important files.

Raspberry Pi enthusiasts or anyone looking to create a portable backup system that can be used to quickly backup SD cards from your camera or drone as well as USB drives and more. You may be ...

The Pi-Desktop Kit add-on board includes a connection for an mSATA SSD drive. I am going to look at adding one, and using it for simple disk storage expansion and for booting the Raspberry Pi.

Seagate's packing an 8TB hard drive in its new external Backup Plus Hub, which can be hooked up to a Raspberry Pi 3 or Chromebooks for expanded storage.