USB4 Version 2.0 to Offer 80Gb/s Transfer Speeds
USB4 Version 2.0 is in the works and when launched, it will allow for double the speeds of the current USB4 specification with existing USB-C cables. It will support up to 80Gb/s operation with both 40Gb/s USB-C passive cables and newly defined 80Gb/s active cables.
The updated specification was announced today by the USB Promoter Group, comprising Apple, Microsoft, Intel, HP, STM, and others. USB Type-C and USB Power Delivery specifications will be updated to enable the higher level of data performance, and updates are being made to enable higher performance USB 3.2, DisplayPort, and PCIe data tunneling to better take advantage of the bandwidth improvement.
As outlined in the announcement, the updated USB4 specification will include the following:
- Up to 80 Gbps operation, based on a new physical layer architecture, using existing 40 Gbps USB Type-C passive cables and newly-defined 80 Gbps USB Type-C active cables.
- Updates to data and display protocols to better use the increase in available bandwidth.
- USB data architecture updates now enable USB 3.2 data tunneling to exceed 20 Gbps.
- Updated to align with the latest versions of the DisplayPort and PCIe specifications.
- Backward compatibility with USB4 Version 1.0, USB 3.2, USB 2.0 and Thunderbolt 3.
The USB Promoter Group says that the updated specifications are expected to be published ahead of the USB DevDays developer events that are planned for November. The update is targeting developers at this time, with branding and marketing guidelines to be updated at a future date to include USB 80Gb/s for identifying certified products and cables.
Popular Stories
Apple has announced it will be holding a special event on Tuesday, May 7 at 7 a.m. Pacific Time (10 a.m. Eastern Time), with a live stream to be available on Apple.com and on YouTube as usual. The event invitation has a tagline of "Let Loose" and shows an artistic render of an Apple Pencil, suggesting that iPads will be a focus of the event. Subscribe to the MacRumors YouTube channel for more ...
Apple today released several open source large language models (LLMs) that are designed to run on-device rather than through cloud servers. Called OpenELM (Open-source Efficient Language Models), the LLMs are available on the Hugging Face Hub, a community for sharing AI code. As outlined in a white paper [PDF], there are eight total OpenELM models, four of which were pre-trained using the...
Apple has dropped the number of Vision Pro units that it plans to ship in 2024, going from an expected 700 to 800k units to just 400k to 450k units, according to Apple analyst Ming-Chi Kuo. Orders have been scaled back before the Vision Pro has launched in markets outside of the United States, which Kuo says is a sign that demand in the U.S. has "fallen sharply beyond expectations." As a...
Apple is finally planning a Calculator app for the iPad, over 14 years after launching the device, according to a source familiar with the matter. iPadOS 18 will include a built-in Calculator app for all iPad models that are compatible with the software update, which is expected to be unveiled during the opening keynote of Apple's annual developers conference WWDC on June 10. AppleInsider...
The upcoming iOS 17.5 update for the iPhone includes only a few new user-facing features, but hidden code changes reveal some additional possibilities. Below, we have recapped everything new in the iOS 17.5 and iPadOS 17.5 beta so far. Web Distribution Starting with the second beta of iOS 17.5, eligible developers are able to distribute their iOS apps to iPhone users located in the EU...
Top Rated Comments