World's fastest 802.11ac Wi-Fi
Gigabit-speed wireless networking
The RT-AC66U router and dedicated 802.11ac adapters deliver up to 1300Mbps of wireless data throughput on the 5GHz band for 3X faster wireless than previous 802.11n products, while maintaining backward compatibility. Stream HD content, game online, and perform other bandwidth-intensive tasks with high-speed performance only achievable with a wired connection in the past – the future of speed is here.
150% Wi-Fi coverage
High-powered design for large and multi-floor homes and offices
ASUS routers and adapters are specially-designed for optimal stability and speed with a high-powered design* that expands wireless signal coverage up to 150% compared to the Wi-Fi range of standard routers and adapters.
Accessories to speed
Thoughtful accessories enhance the experiences and performance
The PCE-AC66 arrives bundled with a magnetized base for its detachable antennas, while the USB-AC53 comes with an extended USB cable and an attachment clip, helping you adjust device placement for completely optimized performance. The RT-AC66U's stand helps elevate antennas for better reception, plus enables vertical and horizontal placement.

Truly multifunctional
Ready for whatever you need to do
The RT-AC66U router comes with built-in USB ports to connect to printers, storage, 3G/4G dongles, and other USB-enabled devices so you can easily access content across your PCs, tablets, and smartphones.
ASUS AiCloud enabled
Sync. Share. Stream. Your world on demand!
Pre-loaded on the RT-AC66U, ASUS AiCloud is the cloud service that delivers you the most at no cost. Sync your data on a home PC with an online storage account, share files with anyone using a simple link, and stream media from your home PC directly to any internet-connected device. Keep in touch with your stuff wherever and whenever like never before. Learn more
Easy setup
Quick, CD-free setup
In less than 30 seconds and in only three easy steps, effortlessly set up the RT-AC66U from any web browser through the ASUS setup wizard to get online in record time. With WPS enabled, securely connect PCs and devices with just one press of a button.
Finest quality and reliability
Premium components and
sophisticated design
ASUS offers best-quality products you can trust. The
RT-AC66U and PCE-AC66 feature an aluminum heatsink to lower temperatures for optimal stability and performance in all climate conditions. ASUS builds flagship routers and adapters using the highest-grade components, offering you the highest quality for stable connectivity and convenient expandability, including market-leading 128MB flash and 256MB RAM on the
ASUS complete 802.11ac lineup
  Network Standard
IEEE 802.11ac (5GHz): up to 1300Mbps/802.11n (2.4GHz): up to 450Mbps  
  Ethernet Port WAN x 1, LAN x 4 RJ-45 for 10/100/1000 Base T  
  Memory I128 MB flash and 256MB DDR2 RAM  
  Encryption Supports 64/128-bit WEP, WPA-PSK, WPA2-PSK,
WPA-Enterprise, WPA2 Enterprise,
RADIUS with IEEE 802.1x, WPS
(Wi-Fi Protected Setup)
  Dimension 207 x 148 x 35.5 mm  


“For a long-distance test through flooring and walls, Asus’s stability here is outstanding.”
“Only Asus manages nearly flawless reliability.”
“The company simply out-engineered its competition and came up with a best-in-class feature set.”

- Tom’s Hardware, January 2013

  Network Standard
IEEE 802.11ac (5GHz): up to 1300Mbps/ 802.11n (2.4GHz): up to 450Mbps  
  Antenna R SMA external antenna x3  
  Host Interface PCI Express  
  Encryption Supports 64/128-bit WEP, WPA, WPA2, TKIP, AES, WPA/ WPA2-PSK  
  OS Support Windows® 8 , 32bit/64bit
Windows® 7 , 32bit/64bit
Windows® Vista , 32bit/64bit
Windows® XP , 32bit/64bit
  External Antenna Base V  
  Dimension 120 x 111 x 21 mm  
  Network Standard
EEE 802.11ac (5GHz): up to 867Mbps*/ 802.11n (2.4GHz): up to 300Mbps  
  Antenna PIFA internal antenna x2  
  Host Interface USB 2.0  
  Encryption Supports 64/128-bit WEP, WPA, WPA2, TKIP, AES, WPA/ WPA2-PSK  
  OS Support Windows® 8 , 32bit/64bit
Windows® 7 , 32bit/64bit
Windows® Vista , 32bit/64bit
Windows® XP , 32bit/64bit
  Extension Design V  
  WPS button V  
  Dimension 96 x 26 x 12.45 mm  
* Quoted network speeds and bandwidth based on current IEEE 802.11ac specifications. Actual performance may be affected by network and service provider factors, interface type, and other conditions. Connected devices must be 802.11ac-compatible for best results.

The specifications and price are subject to change without prior notice.
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