bruce
5
Probably the USB3.0 port interfere the WiFi speed, but only affect 2.4GHz, not 5GHz.
Some users share his idea:
It seems that the conflict between USB 3.0 and WiFi 2.4GHz cannot be avoided.
If the USB 2.0 is acceptable, please select the 2.0, and it may improve the stability of WiFi 2.4GHz.