USB4 Version 2.0 to Offer 80Gb/s Transfer Speeds - MacRumors

USB4 Version 2.0 is in the works and when launched, it will allow for double the speeds of the current USB4 specification with existing USB-C cables.

USB4 on MacRumors

Intel announces outline of 'next generation Thunderbolt' based on USB 4 Version 2.0, realizing maximum 80 Gbps bidirectionally and maximum 120 Gbps one way for external display - GIGAZINE

USB4 Version 2.0: Double the Speed from USB4

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USB4 Version 2.0: Double the Speed from USB4

Intel announces outline of 'next generation Thunderbolt' based on USB 4 Version 2.0, realizing maximum 80 Gbps bidirectionally and maximum 120 Gbps one way for external display - GIGAZINE

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USB4 Version 2.0 unveiled with double the transfer speeds

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USB4 2.0 supports up to 80Gbps [Technical Articles]