It’s safe to say that most of us have at least one Raspberry ... Pi NAS may be of interest. The main component [Jeremy] salvages from the old Lenovo desktop PC is, obviously, the case itself.

If you don’t mind being limited to USB speeds, you can 3D print a NAS enclosure for the standard Raspberry Pi. Or you could always repurpose an old PC case if you’d like something a bit more ...

This might sound complicated, but it's easy to do if you have an inexpensive Raspberry Pi board at the core. Here's how to build your own NAS device ... your files—in my case, it's an 80GB ...