https://www.bleepingcomputer.com/news/microsoft/windows-11-kb5034848-preview-update-adds-usb-80gbps-support/ > Microsoft has released the optional KB5034848 Preview cumulative update for Windows 11 23H2 and 22H2, which brings new features, including USB 80Gbps and nineteen other changes and fixes. > The KB5034848 cumulative update preview is part of Microsoft's "optional non-security preview updates" schedule, released on the fourth week of every month.