The Latest on the USB vs. Thunderbolt Arms Race

Thunderbolt 2 may be theoretically capable of 20Gb/s, but USB isn’t going to be left in the dust. The ubiquity of USB continues with version 3.0, while Thunderbolt isn’t nearly as common. USB is not done improving, however. The upgraded USB 3.1 may arrive by the end of the year, featuring new port & connection designs and theoretical speeds up to 10Gb/s — double that of 3.0. As if that weren’t enough for professional consideration, at least one USB architect at Intel says the protocol may one day be able to scale beyond 40Gb/s.


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