i should mention, the ac68U will only do 300Mb/s in malaysia at best (gotta add pppoe and vlan) while the AC86U will do 500+Mb/s because the CPUs in them are very very different generations and have different hardware in them. The AC68U does not have actual hardware acceleration that other routers have and broadcom was late in coming out with CPUs with hardware processing for NAT and other things.