I've had my AC56R for a couple of years and other than one minor issue which was quickly repaired while under warranty, it's worked very well. Before purchasing it one of the more senior members here told me that the hardware of the 56 was identical to the AC68U/R with the exception of the antennas being internal rather than external. I don't have a ton of wireless devices and have noticed the AC1900P has been rated the #1 router here. So I'm curious if what I was told was correct and if...
RT-AC56U/R vs RT-AC68U/R question
RT-AC56U/R vs RT-AC68U/R question