Our concern that widespread adoption of USB 3 might leave Thunderbolt out in the cold now looks even more likely as the USB 3.1 – aka Superspeed USB – specification has been announced. This allows USB transfers of up to 10Gbps, the same speed as the original Thunderbolt standard.
Thunderbolt is technically superior to USB 3 – combining PCIe, DisplayPort and power signals into a single cable – and the recently announced Thunderbolt 2 version (which will debut in the new Mac Pro) doubles throughput to a blistering 20Gbps. And Thunderbolt can deliver that bandwidth to more than one device at a time. But technical superiority alone is no guarantee of success, as the history of Betamax or Firewire demonstrates … expand full story