On some site I've found this. I don't know if it's something like this you mean.
I'm not a wiz with hardware, but I believe it's firmware is open-source.

Riocar 10gig (for now) S/N : 10101747 amber
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Riocar 80gig S/N : 010101580 red
Riocar 80gig (010102106) - backup