Freecom Classic SL "NAS box" - typical sized external 200Gb USB hard drive (IDE) but with network capability.
Software and manual on the drive itself - plug into your computer via USB, install the software (Windows / Mac compatible) then you can plug it into your router or network and use it as NAS storage.
Good condition, with power cable, USB cable and network cable. Can always be upgraded with a larger IDE hard drive.
More details and downloads here.