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Rumor | Intel will double the speed of Thunderbolt 4 in its next-gen USB type-C technology

An allegedly leaked Intel slide. (Source: AnandTech)
An allegedly leaked Intel slide. (Source: AnandTech)
An Intel executive has reportedly uploaded a photo of a slide pointing to very interesting developments in data transfers over USB type-C by accident. The material allegedly points to speeds of up to 80 gigabits per second (Gb/s), which will, furthermore, be supported by physical-layer technology.
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Intel's executive vice-president and general manager of the OEM's Client Computing Group, Gregory Bryant, went to upload some selfies of himself and some team members during his trip to a non-US division. However, according to a new report, he accidentally uploaded another image showing confidential information about an unreleased technology instead.

Bryant may have corrected the mistake since; however, the shot of the alleged slide is still up on sites such as AnandTech. It refers to an "80G PHY Technology", which can be interpreted as referring to means of transferring up to 80Gb/s using a physical layer.

Furthermore, the material indicates that this apparent breakthrough is intended to be compatible with USB type-C ports. It also points to the use of a novel way of actually transmitting the bits in question: PAM (or pulse amplitude modulation)-3, as opposed to PAM-4 or the more conventional NRZ technique.

This PAM-3, then, might be a newer version of PAM-4 with similar benefits, such as up to 2x the bandwidth of NRZ. Finally, there is also mention of an "N6 test chip" in this leak, which just might indicate a 6 nanometer (nm) component. All in all, this new tip might point to something already prospectively called "Thunderbolt 5" in the works at Intel.

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Deirdre O'Donnell
Deirdre O'Donnell - Senior Tech Writer - 4242 articles published on Notebookcheck since 2018
I became a professional writer and editor shortly after graduation. My degrees are in biomedical sciences; however, they led to some experience in the biotech area, which convinced me of its potential to revolutionize our health, environment and lives in general. This developed into an all-consuming interest in more aspects of tech over time: I can never write enough on the latest electronics, gadgets and innovations. My other interests include imaging, astronomy, and streaming all the things. Oh, and coffee.
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> Notebook / Laptop Reviews and News > News > News Archive > Newsarchive 2021 08 > Intel will double the speed of Thunderbolt 4 in its next-gen USB type-C technology
Deirdre O'Donnell, 2021-08- 2 (Update: 2021-08- 2)