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Tuesday, 5 March 2019

USB4 specification released: Thunderbolt 3 support, 40Gbps bandwidth and more

Intel has announced that it contributed the Intel Thunderbolt protocol specification to the USB Promoter Group, enabling other chip makers to build Thunderbolt compatible silicon that is royalty free. Additionally, USB Promoter Group announced the pending release of the USB4 specification, based on the Thunderbolt protocol. This convergence will increase compatibility among USB Type-C connector-based products, simplifying how people connect their devices. Earlier, Intel shared plans to integrate Thunderbolt 3 into future Intel CPUs and to release the Thunderbolt protocol specification to the industry. Intel’s upcoming 10nm processor codenamed “Ice Lake” will be the first to integrate Thunderbolt 3. Processor integration, this combined with this latest announcement makes it a mainstream adoption of Thunderbolt. Thunderbolt 3 is fully supported in Windows 10, macOS and Linux. Volumes of the PCs with these ports continue to double every year into the tens of millions and all the latest Macs have Thunderbolt 3 ports. Thunderbolt is supported by an end-to-end solution enabling program for a computer, peripheral device and cable makers to help ensure a consistent experience for all Thunderbolt connected products. Intel works with the industry to define product capabilities, validation testing, and rigorous certification requirements. Key characteristics of the USB4 solution include: Two-lane operation using existing USB Type-C ...