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Light Peak to debut using copper instead of fiber optics

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On December 14, 2010, 8:00 AM

Intel has been touting Light Peak as the next big thing in connector technology and a way to reduce the proliferation of ports on modern computers, by using a single interface to handle everything from network connectivity to data transfers and transmitting high definition video to external displays. The interface can reportedly hit 10Gb/s transfer rates -- or twice the speed of USB 3.0 -- with the potential ability to scale to 100Gb/s in the next ten years. Indeed the company has showed some pretty impressive performance at several public events this year, but now it seems that “practical realities” have the company looking at more conventional technologies for its initial release.

Specifically, it seems Light Peak will debut using copper wires for the transmission of data instead of the technology's signature fiber optics. According to Cnet, however, the shift away from optical networking to traditional electrical interconnections won't affect the planned speed, which is still set at 10Gb/s bi-directionally. Intel hasn’t confirmed or denied the reports but if true it remains to be seen how this affects plans to eventually hit 100Gb/s.


Despite the move to copper cabling, Light Peak is said to be on track for a commercial rollout in the early first half of 2011, with Sony and Apple expected to be among the first to use the technology in its products.

User Comments: 29

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  1. Might I be so bold as to remind everyone that electricity travels at or near the speed of light anyway.

    So, let's play "rock, paper, fiber" or maybe that was, "copper scissors, glass".

    So when light peak is fully operational, will an email cause the light bulb on top of my head to come on?

  2. Might I be so bold as to remind everyone that electricity travels at or near the speed of light anyway.

    Ah, but you're talking about regular electricity I take it? How about the reaaaaaalllly slow kind of electricity that is generated in the neurons of fanboys, trolls and Baltimore Ravens fans?

    So when light peak is fully operational, will an email cause the light bulb on top of my head to come on?

    Please contact your ISP for the latest equipment upgrade.

  3. InfiniBand has my vote.

    "But, if we give everyone InfiniBand then how will we maintain control?"

  4. Yawn....

    When Intel decides what they have and how they are going to release give me a call.

    They've changed so many times what it's going to be and what it's going to do.

    In the meantime, Intel, please put USB3 on your chipsets.

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