I've been running the C4000 with a Virgin media hub 3 in modem mode. It's been delivering half a Gig WiFi speeds consistently for over a year, but I've recently upgraded to 1 Gig speeds, with Hub 4...

@Dekenba I've reset the Archer C4000 settings, set it up from scratch, ignored QoS - and I'm back to square one, with the Speedtest app showing speeds of almost 500Mbps, yet the Speedtest app built...

@Kevin_Z Thanks for the advice. Yes, I've already switched off all the QoS options on the Archer. The Killer app (superbly appropriately named - I assume their next software will be called "crap" or...

I have a C4000 that is plugged into Virgin Media Hub 3 on modem mode. It all worked swimmingly well, until I got a new Dell XPS 15 9500..... The new laptop speeds where atrocious, and after much...