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USB optical replacement coming soon

21.03.2012

Thunderbolt high-speed data transfer technology, which is predominantly present in Apple laptops, will be "upgraded" to fiber in 2012.

The replacement of copper strands with fiber optics in consumer Intel Thunderbolt data transmission technology will be implemented before the end of 2012, Intel spokesman Dave Salvator said. His words are reported by Macworld.

Thunderbolt technology was introduced just over a year ago as a faster alternative to USB 3.0 for connecting peripherals to a personal computer, including external hard drives and digital cameras. The maximum transfer rate in USB 3.0 is about 5 Gb / s, while in Thunderbolt, Intel promises to bring it up to 100 Gb / s. The technology was developed with Apple, and its computers were the first to feature it. The respective MacBook Pro notebook models were announced by the company in February 2011.

According to Apple, Thunderbolt allows high-performance peripherals, including RAID arrays, to directly access the PCI Express bus and can support FireWire and USB user devices, as well as Gigabit Ethernet connections via adapters. In addition, Thunderbolt supports DisplayPort for connecting high-definition displays and works with existing HDMI, DVI, and VGA display adapters. However, so far the technology uses cables with metal conductors and offers speeds not of hundreds of gigabits, but only 10 Gbps.

The partners did not dare to use fiber from the very beginning, as the cost of cables would have been much higher in this case. In addition to speed, optical technology will allow data to be transmitted over much longer distances - up to 100 m versus 6 m in the current implementation.

Freely available for incorporation into systems, cables, and devices, Thunderbolt technology is expected to become widespread and become the new standard for high-performance I/O.
When exactly the Thunderbolt fiber optic cables will go on sale and how much they will cost, Intel did not say.

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