Intel shows off blazing-fast 80Gbps Thunderbolt
by #AI September 13, 2022 · Automatic
Not surprisingly, Intel has followed USB4 into the 80Gbps generation, showing off a prototype 80Gbps Thunderbolt demo in its Israel facility.
Intel is the key developer of Thunderbolt, which was co-developed with Apple. The I/O specification is the foundation of a small but growing ecosystem of Thunderbolt docks, which connect to a USB-C/Thunderbolt port on a PC and use the I/O bandwidth to connect to various peripherals, including displays and storage.
Displays, not surprisingly, suck up the most bandwidth. The current Thunderbolt specification, known as Thunderbolt 4, allows for 40Gbps data transfers, typically enough for a pair of 4K displays running at 60Hz apiece. Connecting additional peripherals, however, can cut into that bandwidth — docks with integrated Ethernet ports and connections to high-speed external SSDs can see hiccups if many peripherals are used at once.
The new 80Gbps specification will likely be useful in several ways. First, the specification will simply enable more headroom when connecting peripherals to a dual 4K60 setup. But the specification will also allow for either higher-resolution displays to be connected to a Thunderbolt dock, higher-refresh-rate displays to be connected to the dock, or some combination of the the two.
Intel showed off a prototype of the hardware in its “Tech Tour” media conference in its Haifa, Israel facility. (PCWorld declined to attend for health reasons.) , the firm hasn’t decided on a formal name yet — so we don’t know if what Intel is showing off will be called Thunderbolt 5 or not.
What we do know, however, is that the rest of the industry isn’t standing still. Typically, AMD Ryzen-based notebooks have used a functionally equivalent technology called USB4 to connect to external peripherals and avoid Intel’s licensing fees. Earlier this month, the USB Promoter Group showed off USB4 Version 2.0, its own 80Gbps specification.
Critically, the USB4 camp has promised that its specification will be published in November. Intel has not offered a similar promise, so it’s not exactly clear when next-gen Thunderbolt products will arrive. Still, the future of high-speed I/O docks seems to be right over the horizon.
Docking Stations
Author: . [Source Link (*), PCWorld]
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