The USB Implementer forum (USB – IF) has announced the specification of USB 4.0. Previously announced last March, now this specification has been finalized.
According to the USB Implementer forum, this new USB generation architecture is based on the Thunderbolt protocol which recently contributed by Intel to USB Promoter Group.
With the Thunderbolt Protocol, USB 4.0 will support data transfer rate up to 40 Gbps. This is 20 Gbps faster than USB 3.2. It also provides the host the ability to optimally scale allocations for display data flow for the device which uses USB – C to connect an external display. Beside the enchantments and improvements, This next generation USB is Backward Compatible with USB 3.0, USB 2.0, and Thunderbolt 3.
The USB Implementer Forum will hold an event in Taipei and Seattle. This allows the developer to learn more about USB 4.0. You can download the full specification here.