Superspeed USB 3.0

USB 3.0 is racing towards the finish line. The current draft spec is expected to be signed off by the end of this year, and within 12 months we’re likely to see the first Superspeed USB kit his the shelves. It’s a fast pace for the equally fleet-footed technology, which is the third revision since […]

USB 3.0 is racing towards the finish line. The current draft spec is expected to be signed off by the end of this year, and within 12 months we’re likely to see the first Superspeed USB kit his the shelves.

It’s a fast pace for the equally fleet-footed technology, which is the third revision since USB made its debut a little over a decade ago. And while USB lost out to FireWire in the sexy name stakes, USB 3.0 has a swanky marketing moniker all its own – Superspeed USB – plus a fresh-baked logo to match.

Superspeed USB promises to do it ten times better, says Ravencraft, delivering at least 300MB/s compared to the 30MB/s of USB 2.0. In a demo conducted for APC on the industry’s first Superspeed USB host controller a 6GB video file hit a sustained transfer rate of 320MB/s. The gains are less noticeable with a folder chock-full of assorted smaller files, however, as the smaller data packets contain a higher proportion of overhead, dropping the speed back to around 50MB/s.

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