When accessing USB Storage device via 5g wifi (Seagate Backup Plus HUB 8TB USB 3.0 connected to AX73 via USB 3.0 port), particularly low transfer speeds (around 1 MB/s) are encountered, especially when writing very large files (> 500 MB).

Router gradually slows down copying to a very low speed, finally web-based management interface starts to be almost inacessible (very long respond time, page doesn't load completely, timeout) or internet is no more accessible at all.

Any ideas?