@Joseph-TP for me it's about stability and speed. On 5ghz with 80 MHz width I get about 260mbps ( when I'm lucky 500mbps but it's rare). On 160mhz width I was getting near 960mbps (some times even...

@ElToroBenito yup, 160mhz witdh is gone, this was the main reason i bought this router, and without this option i can toss it in the trash...