In a rumor that could be a deal killer for potential Galaxy Note 10 customers, it looks like Samsung will be removing a key feature from at least one of the two purported variants. If the source is correct, the smaller of the two purported Galaxy Note 10 models will forgo microSD card support leaving that feature for the larger Note 10 Pro only.
https://www.notebookcheck.net/The-latest-Galaxy-Note-10-rumor-could-be-a-deal-breaker.425366.0.html