Thunderbolt 4 is ready: here is what is new and changed

Intel unveiled Thunderbolt 4, the next-generation of the {hardware} interface designed to attach {hardware} units to pc methods, on July 8, 2020.

The corporate revealed that Thunderbolt Four comes with expanded capabilities and USB4 specification compliance. The brand new normal makes use of the USB-C connector; this ensures that customers might join present Thunderbird Three and USB-C units to the interface as an alternative of getting to depend on adapters or buy complete new {hardware}. New Thunderbolt Four cables that assure the supported performance will likely be offered later this yr, however Thunderbolt Three cables will work as nicely.

Thunderbolt Four requires protections to forestall assaults towards sure vulnerabilities present in Thunderbolt 3.

Intel has not modified the minimal PC velocity necessities in Thunderbolt 4; it’s nonetheless 40Gb/s and thus equivalent to the requirement of Thunderbolt 3.

What has modified, nonetheless, is the minimal PC knowledge requirement, because it has been doubled from PCIe 16 Gb/s to PCIe 32 Gb/s. One other change is that Thunderbolt Four requires minimal help for 2 4K shows or one 8K show.

thunderbolt 4
supply: Intel

Right here is the overview of the minimal necessities of Thunderbolt 4:

  • Minimal video and knowledge necessities of Thunderbolt Three doubled:
    • Video: Two 4K shows or one 8K show.
    • Information: PCIe at 32 Gbps
  • Help for docks with as much as 4 Thunderbolt Four ports.
  • Not less than one Thunderbolt Four dock must help PC charging.
  • Required Intel VT-d-based direct reminiscence entry safety.
  • Required that wake from sleep is supported when the person touches the keyboard or mouse and the machine is linked to a Thunderbolt dock.

How does it evaluate to USB 4.0? It’s important that customers perceive the variations.

USB 4.Zero helps knowledge transfers with as much as 40 Gb/s as nicely, however the knowledge switch price is just not necessary. It’s adequate to help knowledge switch charges of 20 Gb/s, and that’s the identical velocity that USB 3.2 launched. Moreover, USB Four might help PC charging and help for video.

Mainly, what Intel did with Thunderbolt is make all elective necessities necessary. Within the case of video, Intel did much more by rising the minimal requirement to 2 4K shows.

Intel plans to launch the Thunderbolt Four controller 8000 sequence later in 2020, and the corporate expects that the primary pc methods that help Thunderbolt Four may also be out there later that yr.

Now You: Do you utilize units with Thunderbolt?

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Thunderbolt 4 is ready: here is what is new and changed

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Thunderbolt Four is prepared: here’s what is new and altered

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Intel unveiled Thunderbolt 4, the next-generation of the {hardware} interface designed to attach {hardware} units to pc methods, on July 8, 2020.

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Martin Brinkmann

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