Asus RT-AC5300U 802.11ac Router - 4x4 MU-MIMO with Broadcom XStream
ASUS RT-AC66U Dual-band 3x3 Gigabit Router 802.11ac Wireless-AC1750 | eBay
Asus RT-AC88U router review: The Lexus of wireless routers - CNET
Amazon.com: ASUS Dual-Band 802.11ac Wireless-AC1200 (Up to 1200Mbps) Gigabit Router - AiRadar optimizes signal strength in any direction and USB 3.0 plus USB 2.0 ports for file, 3G/4G, and printer (RT-AC56R) :
ASUS AC1750 WiFi Router (RT-ACRH18) - Dual Band Wireless Internet Router, Easy Setup, Parental Control, USB 3.0, AiRadar Beamforming Technology extends Speed, Stability & Coverage, MU-MIMO - Newegg.com