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USB gets simpler with new speed-focused labeling system replacing technical jargon
(www.notebookcheck.net)
This is a most excellent place for technology news and articles.
"up to"
"Up to" is fine for this, as it's a measure of capacity. It's when it's used as an expected norm like the ISPs do that it becomes more marketing than a rating. The requirement ought to be a known average of realistic usage and not a top end number.