Looks like this is QoS-related. I can find no ability to globally turn off QoS. I had to manually set the QoS bandwidth for up and down to very high numbers, and my speed tests now look appropriate....

Did you ever resolve this?

I should add that the speedtest embedded in the A20's http-based setup and management interface reports roughly the same speed Im getting via speedtest on my desktop.

Hi, I've been trying to understand why I'm not seeing full upload and download speeds since upgrading from an Airport Extreme base station/router, to the TP-Link Archer A20. We have 1Gb fiber to our...