@J-A-W Many thanks for the advice! I'll configure it.

@IrvSp My previous Archer was the 3150, no QOS. PC speed test was near 1Gb bandwidth. With thr 4000, it's always half, whether from PC or within router itself. It bothers the heck at of me. For now,...

@IrvSp Thanks for the reply. I started there. The speed test always shows 50% less than tested without it. My son does a speed test on his gaming pc and gets the same as the router test. It used to...

I have Archer A20/AC4000. QOS, which I set to High in Custom, all devices High Priority,and reset the bandwidth limits up to 2000MB Download and 100MB Upload, still speed tests to no more than...

I have 1.2GB service from xfinity. It actual speed tests to 1.4GB. The A20 tests at 600-700MB speed. All devices are set to High Priority and QOS set at Custom, HIGH. Rebooted several times. Did a...

Same here. Can't register S/N for my Archer A20/AC4000. Very frustrating. Plus the QOS cuts off 50% of my 1.2GB service bandwidth. My previous 3150 router didn't have QOS and provided full bandwidth....