Even if they're not up to the speed individually, I can see a whole batch of these in a massive raid config, where u can pull them in and out (perhaps led on the top to see if they're happy).
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Thinking.. get a bunch of usb drives (cheaper ones than these).. get a gang of usb hubs (cheap).. plug them all in.. see how fast the software raid is first
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Dang they're small. Pic looks like the bluetooth devices mind.