Originally Posted by
Zero4549
In the same price range as the AC-A8 you have the TP-LINK Archer T8E and T9E.
The T9E is TP-Link's direct competitor to the AC-68, but it costs a few bucks more (at least in my area), and has short, albeit removable, antennas which I would want to replace with something I could position farther away from the system. I am not aware of any distinct advantage of the T9E, but like I said I've been out of the loop on wireless adapters so perhaps someone else might have a reason to recommend it. Personally from what I can see, I'd get the ASUS instead of this one.
The T8E is a older, slower model ,similar to ASUS's AC-66. Like the T9E, it has the same antenna situation that I would personally recommend replacing. Unlike the T9E however, it does seem to have a couple nice advantages over its competitor the AC-66. First off, it costs significantly less, and secondly it has less known compatibility issues with modern systems. I'd pick this over the AC-66. Whether I'd pick it over the AC-68 would depend on how important the extra speed of the AC-68 would be to my usage. If you are just looking for a reliable internet connection, you could probably save some money, grab the T9E, and not notice any difference. If you need that extra speed for local network file transfers or streaming or something, then grab the AC-68.