They just went smaller - Thunderbolt implements PCIe [1] under the hood. You can... | Hacker News

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		azernik on Oct 25, 2019 \| parent \| context \| favorite \| on: Update Complete: U.S. Nuclear Weapons No Longer Ne... They just went smaller - Thunderbolt implements PCIe [1] under the hood. You can connect graphics cards over TB, for example. [1] It actually implements three protocols that it can switch between based on endpoint negotiation - PCIe, DisplayPort, and in its latest version USB 3.1.

berrynice on Oct 25, 2019 [–]

Only problem with Thunderbolt is that it's not an open standard.

azernik on Oct 26, 2019 | [–]

It is now! Intel released the rights to USB-IF earlier this year, and it will be the basis of USB4: https://arstechnica.com/gadgets/2019/03/thunderbolt-3-become...

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