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Intel has offered a peek at its next-generation Thunderbolt controller which doubles the maximum 10Gbps transfer rate the existing version offers.

Intel showed off an early prototype of the next-generation technology codenamed Falcon Ridge at the NAB conference for broadcasters in Las Vegas yesterday. The Thunderbolt standard is a product of efforts by Intel and Apple, which first included hardware interfaces for the standard in the MacBook Pro in 2011.

The next generation Thunderbolt will enable 4K video file transfer and display simultaneously, with initial production planned before the end of the year and "ramp" in 2014.

The announcement comes shortly after the USB 3.0 Promotor Group announced the new specification for that standard which also doubled performance up to 10Gbps, bringing it close to the existing Thunderbolt technology.

USB 3.0 boasts 720 devices on the market and will be compatible with existing USB hardware. According to Intel, there are over 200 Thunderbolt licensees and more devices. Also, the new Thunderbolt will be backward compatible with older Thunderbolt cables and connectors.