Information from Honor's Chinese online shop indicates that the Honor 400 and 400 Pro variants sold in China may have different specifications from their international counterparts.https://www.notebookcheck.net/Honor-400-series-Differences-between-Chinese-and-global-versions-uncovered.1028824.0.html
But both non-Pro and Pro use USB-C 2.0 transfer speeds ... but big price gap between them and with respect to USB 3.0+ ones!!!