A new leak points to a new Samsung device called the "Book Go". This strongly suggests that it may be a new notebook or convertible from the OEM, to join other variants such as the S or the Flex. This possible PC might debut at CES 2021.
https://www.notebookcheck.net/The-Samsung-Galaxy-Book-Go-is-a-new-PC-that-might-be-launching-soon.509242.0.html