TL;DR: A USB 3. 2 Gen 2 hub provides one 10Gbps upstream link, not 10Gbps of dedicated bandwidth for every port. Real performance depends on the host, cables, hub controller, peripherals, power, and operating system.
Source: [Dev.to](https://dev.to/wixom/usb-32-gen-2-hubs-real-speed-compatibility-and-buying-criteria-7n7)