This one’s so small the official size comes in millimetres – and even decimal places of millimetres, whatever they’ve called. Billimeteres or something, probably. The Freecom XXS, which we would imagine stands for Extra Extra Small, measures just 109.8mm x 79.5mm x 13.5mm. That’s small.

We hired a scanning electron microscope to take the following photograph which illustrates precisely how small.

Not that small compared to an MP3 player, really, but small compared to other 2.5″ external hard drives – which Freecom says…