@woozle Both us and eu drivers show 866/866 Mbps on 5Ghz network. so does the windows update driver that you showed that works just as well as us driver. It probably would install automatically...

@woozle Router both bands are in the same ssid. I was testing the speeds when adapter connected to 5ghz which happens after short while after being connected to the network. I haven't found any V1.1...

I've had problems with my archer t6e for over 2 months now. it had only 200Mbps while my internet is 600Mbps. After installing linux it was working properly achieving 600Mbps. So I tried reinstalling...