Manufacturers often add a fast port and a slow port... but never indicate which is which.
It's not uncommon for USB ports to stop working properly; swap to a different port and change USB cables to troubleshoot. You can also use Device Manager in Windows ...
Macworld explains the Apple MacBook Neo’s two USB-C ports have dramatically different speeds: one 10Gbps port for fast data transfer and displays, another 480Mbps port primarily for charging. Apple ...