@JSchnee21 Regarding Intel NICs, my laptops are all Lenovo and they like to whitelist PCIe NICs in their BIOS so it is not possible to replace them I do have an AC1200 USB NIC that I could try. I...

More interesting stuff. I'd been meaning to try a Live-USB version of the recent release of Ubuntu 20.04 and, while I was booted into it, ran iperf3. Got 240Mbps on the same hardware!!! Something in...

@R1D2 FWIW, I have nobody else on that channel either. Intel AC8265 is rated at 2x2:2 MIMO Also, I learned about SSH-ing into the AP and using the athstats command which lets you see, amongst other...

@JSchnee21 I plan to do some more experiments today and will include your suggestions especially since I have lots of Ethernet cables! Also, the bug report is intriguing. Does TP-Link allow you to go...

@R1D2 I should have been clearer above, but I did replace the cable and got a gigabit connection at least per the lights on the switch. With your numbers in hand, I redid the experiment by moving...

I have the same NIC but you're getting higher TCP throughput. You wouldn't think EAP225 vs EAP245 would make a difference since the client is 2-stream but maybe beamforming does have an effect! Edit:...