I had the RT-AC5300 and eventually returned it. The Merlin firmware didn't improve the performance. I was seeing less than 400 Mbps on wired and under 150 Mpbs on wireless. Here's a pic of the performance I'm seeing from my Alien on WiFi.
I've been working with Asus tech support who suggested (not surprisingly) to remove the Merlin firmware by resetting to factory settings. In addition, they suggested to turn off universal and explicit beamforming and separate out the three channels to test independently.
I completed the...
Centurylink just recently installed their 1Gbe fiber service with an actiontec c3000a router. I was seeing an average of 200 up/down on wireless and roughly 250 on wired, so decided to buy this: Netgear RAX75. The wired/wireless performance was even worse hitting roughly 150down/ but 430 up on...