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The technical specifications of the new Universal Serial Bus (USB) 4.0 have been officially announced and are very similar to the Thunderbolt 3 port.
The full technical specifications are not yet complete, but you have to say that the port is capable of transmitting data at 40 gigabits per second and that the new port uses Thunderbolt 3 as the base.
The Thunderbolt port dates back to 2011, when it was developed by Apple to accelerate data transfer and extend its support to more protocols for connecting displays. , readers and peripherals, such as external display cards.
With its third generation Thunderbolt 3, Intel has added USB 3.1 support for the second generation, so you can connect a device with a USB port via the Thunderbolt port. Thus, Thunderbolt ports have become USB ports but with wider possibilities.
This does not mean, however, that you need a Thunderbolt via the USB device: if you have USB 3.0 external storage via Thunderbolt, you only get USB 3.0.
In order to make Thunderbolt more accessible, Intel was offering businesses for free, with no license fee. Thus, the Thunderbolt 3 specification has been integrated with USB 4.0, which supports 100 watts of load and video transmission on 4K or 5K displays and even older generations, such as USB 2.X, USB 1.X
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