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IDF – USB 3.0 “SuperSpeed” Performance

Based on the information from TGDaily, TechpowerUp said :

“USB 2.0 has been around for quite some time now, it’s already become a serious bottleneck with storage devices where its “up to” 480 Mbps speed limits transfer-rate significantly compared to what today’s devices demand. External-SATA had proven to eradicate that bottleneck by providing speeds for external storage devices on par with internal fixed drives. A newer standard of the USB is in the works, this newer interface on paper promises 10-times the amount of bandwidth USB 2.0 did, that’s 4.8 Gbps, more than three times over that of e-SATA, 1.5 times over e-SATA II.

At the ongoing Intel Developer Forum (IDF) event, prototype USB 3.0 boards and cables were shown transferring at 307+ MB/s. The USB 3.0 coalition proclaims this is fast enough to transfer a 27 GB HD in just 60 to 70 seconds. This interface is backwards compatible with USB 2.0 (HiSpeed) and USB 1.1 (FullSpeed), and will be referred to as SuperSpeed. A representative from Ellisys said current flash memory and hard drive storage capacities are outstripping USB 2.0 transfer speeds.”

Source : TechpowerUpTGDaily


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