5th generation 802.11ac chipset gives you concurrent dual-band 2.4GHz/5GHz for up to super-fast 1.75Gbps
ASUS AiCloud service: Access, stream, share, sync – all on the go with unlimited storage expansion!
Gigabit Ethernet ports for fast and reliable internet performance
AiRadar optimizes wireless coverage with detachable high-powered antennas
Enjoy the ASUSWRT dashboard UI for 3 steps easy setup, signal monitoring, and network application control
Download Master for wireless data storage and access to your router-connected USB storage devices
File sharing, printer sharing, and 3G sharing via two multi-functional built-in USB ports
Consistently Praised for Networking Excellence!
“Highest Customer Satisfaction with Wireless Routers in the U.S”- J.D. Power*
ASUS achieved the highest scores in 6 study factors: Reliability, Wi-Fi range, Security, Capabilities, Speed of upload/download file, Restore connection easily, and Variety of features. >>Learn more.
Readers’ Choice, 5 Years Running! (2012-2016)
“With a Readers' Choice Award win every year since 2012, Asus seems to make a different router for every budget and need. Respondents continue to be very satisfied with what the company has to offer.” – PC Magazine >>Learn more.
The Most Consumer Recommended Router Maker of 2015!– PC Magazine >>Learn more.
Upgrade to the Next Generation
The ASUS RT-AC66U is a 5th gen dual-band Wi-Fi router, and the launch platform for the new ASUS AiCloud service. Its speed reaches 1.75Gbps, utilizing the Broadcom 802.11ac Wi-Fi controller and working in 2.4GHz and 5GHz. The 5GHz band supports up to 1.3Gbps, exceeding current Gigabit wired transmission and 3X faster than 802.11n. The RT-AC66U offers smooth lag-resistant multitasking and super-fast streaming, while ASUS AiRadar intelligently strengthens wireless connections via powerful amplification, offering future-proof optimized performance.
AiCloud offers a unified app for iOS and Android devices that turns the RT-AC66U into a personal cloud server, with easy connectivity to Windows PC, Mac, Linux machines, and all USB storage. Each account can sync with other AiCloud clients and public cloud products directly. All your content, files, and data can be accessed, synced, shared, and managed from almost any device – smartphones to desktops – wherever and whenever you’re online.
Whether you’re a tech-savvy enthusiast or a first-time user, the RT-AC66U is exceptionally easy to use with CD-free Quick Installation Setup (QIS) that lets you plug-n-surf right out of the box and connect PCs, smartphones, tablets, and other wireless devices quickly. Thanks to its refined interface tools, you get control like never before, letting you monitor signal strength, setup parental settings, and other useful functions in a robust yet intuitive way.
NVIDIA GameStream Ready
Your router is about to have a lot more fun. That’s because it can now stream all your favorite PC games to the NVIDIA® SHIELD™ portable to play anywhere in the house using fast, ultra-reliable NVIDIA GameStream™ technology. ASUS routers deliver lag-free, high-performance game streaming from GeForce® GTX™=powered PCs or NVIDIA GRID™ cloud gaming systems. For more information, visit www.nvidia.com/gamestream.
Designed for Class-Leading Speed and Range
With new networking technology, the RT-AC66U delivers exceptionally fast wired and wireless connectivity. ASUS builds this flagship router with high-grade components, offering you stable connectivity and convenient expandability. The router uses powerful detachable Wi-Fi antennas to further extend wireless range.
The Wi-Fi Router That’s Adored by the Media
ASUS RT-AC66U combines the incredible speed of 802.11ac wireless with a design that’s a Red Dot award-winner. But it’s not just great design that’s brought in the plaudits — RT-AC66U is adored by the world’s top technology publications and journalists. Its breathtaking 5th-generation Wi-Fi performance in the 5GHz band has been tested and verified by SmallNetBuilder, while the US edition of PCWorld declared RT-AC66U to be the leading 802.11ac router. RT-AC66U’s superior performance in enabling all-new networking experiences has also been on the receiving end of accolades from Germany’s highly-respected C’t magazine.
NO.1 for Total Router NO.1 for Average Wireless Throughput NO.1 for Wireless Range
“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
Super-fast Wi-Fi: 802.11ac
Powered by 5th generation Wi-Fi (5G Wi-Fi), the new 802.11ac Broadcom chipset gives the RT-AC66U superfast Gigabit wireless speeds. Compared with current 802.11n, the RT-AC66U delivers up to 1.3Gbps at 5GHz, which is 3X faster than 802.11n! The upgraded bandwidth has the higher capacity you need to increase Wi-Fi enjoyment at home. With notebooks, desktops, pads, and smartphones now all Wi-Fi-reliant, it’s time to upgrade to the next generation so you can expand you connectivity now and in future.
*Based on theoretical maximum speeds in 5GHz transmission, with one DVD equaling 4.7GB
One Place for All Your Data – ASUS AiCloud
ASUS AiCloud is a smart and easy mobile application that brings your ASUS cloud experience to iOS and Android. Access, stream, sync, and share all your files on the go from both public and private cloud storage services. Learn More
Optimized and Reliable Wireless Coverage via AiRadar
ASUS AiRadar intelligently strengthens connections to wireless devices. With high-powered amplification and beam packaging, it provides optimized signals in any direction with better coverage to improve your data throughput.
Dual-Band Connectivity for Lag-Free Entertainment
Delivering 2.4GHz and 5GHz concurrent bands at up to 450Mbps and 1.3Gbps, respectively, the RT-AC66U has a total speed of up to 1.75Gbps, and maintains complete stability. You can perform basic tasks like web browsing and file downloading on the 2.4GHz band, while simultaneously allowing multiple devices to stream in HD or support online gaming and other demanding applications smoothly on the clearer 5GHz band.
3-Step Easy Setup Through Your Pad, Smartphone, or PC
With the RT-AC66U, setup is a breeze. Simply power and connect the router and open a browser on a Wi-Fi-enabled device like a notebook or pad. You will then be taken to a setup page with a prompt to enter the ID/password from your internet provider, and that’s it! Setting up your network is easier than ever.
Get Online in 30 Seconds
Smart auto-detection design makes it possible for you to go from first plugging in the RT-AC66U to setup completion in 30 seconds! Compared to the lengthy installs and hassles of other routers, this development from ASUS offers a true wonder of ease of use, and puts fast networking speeds within your reach quicker than ever before.
Powerful Functions and Extra-Easy Management
With the ASUSWRT dashboard UI, you can setup, monitor, and control network applications all in one intuitive area. The whole-new dashboard interface lets you manage all clients and settings via a single graphical interface, and provides 1-click updates.
Optimize Your Network
Do you game a lot, or spend most of your time streaming videos? Whatever your planned use is, the RT-AC66U has Quality of Service (QoS) standards that let you select how much bandwidth is prioritized for virtually any task. Plus, the traffic monitor allows you to check your web usage in a clear graphical interface.
Two Multi-Functional Built-In USB ports
Featuring connectivity to FTPs, SAMBA, and UPnP AV servers, the RT-AC66U makes sharing and networking easier with two built-in USB ports. Download HTTP, FTP, and P2P files to a router-connected USB storage device all day even without a PC. Additionally, the twin USB ports allow for networked printer and file server connections, so you can perform.
Powerful Online Multitasking with 300,000 Data Sessions
Support for a massive data pipeline of up to 300,000 data sessions means the RT-AC66U has around 20 times the networking capacity of conventional routers for exceptionally smooth performance.
Dedicated Wi-Fi for Your Visitors
Share your internet connection with your guests with no need to share your personal password or network resources. ASUS Guest Network supports up to three separate guest networks, each with its own usage limits and password. Guests cannot access your primary network or any other connected devices.
VPN Server Enabled
Easily set up a VPN server to browse the web and access data with MPPE encryption— wherever you are.
Flexible Installation with Versatile Design
Being wall-mountable, the RT-AC66U fits nearly in any space in the home or office.
Keep Up to Date!
Remember to always keep your device’s firmware up to date so you can benefit from the very latest service and security enhancements — and get exciting new features! Learn more about updating new firmware.
* ASUS received the highest numerical score among wireless routers in the J.D. Power 2015 Wireless Router Satisfaction Report, based on 2,716 responses from 8 companies measuring satisfaction with wireless routers surveyed November-December 2015. Your experiences may vary. Visit jdpower.com
Firewall：SPI intrusion detection,DoS protection
Access control：Parental control, Network service filter, URL filter, Port filter
UPnP, IGMP v1/v2/v3, DNS Proxy, DHCP, NTP Client, DDNS, Port Trigger, Virtual Server, DMZ, Universal Repeater, System Event Log
WAN Connection Type
Internet connection type : Automatic IP, Static IP, PPPoE(MPPE supported), PPTP, L2TP
Dual Link support
Multicast Proxy support
Multicast Rate Setting support
RJ45 for 10/100/1000 BaseT for WAN x 1, RJ45 for 10/100/1000 BaseT for LAN x 4, Support Ethernet and 802.3 with max. bit rate 10/100/1000 Mbps and auto cross-over function(MDI-X)
USB 2.0 x 2
WPS Button, Reset Button, Power Button
Airtime Fairness SmartQoS
- User definable rules for IP/MAC/Port
- Upload and download bandwidth management
- ACK/SYN/FIN/RST/ICMP with highest priority Parental Control Guest Network : 2.4 GHz x 3, 5 GHz x 3 VPN server : IPSec Pass-Through, PPTP Pass-Through, L2TP Pass-Through, PPTP Server, OpenVPN Server VPN client : PPTP client, L2TP client, OpenVPN client Enhanced media server (AiPlayer app compatible)
- Image : Jpeg
- Audio : mp3, wma, wav, pcm, mp4, lpcm, ogg
- Video : asf, avi, divx, mpeg, mpg, ts, vob, wmv, mkv, mov AiCloud personal cloud service 3G/4G data sharing Printer Server
- Multifunctional printer support (Windows only)
- LPR protocol support Download Master
- Support bt, nzb, http, ed2k
- Support encryption, DHT, PEX and magnet link
- Upload and download bandwidth control
- Download scheduling AiDisk file server
- Samba and FTP server with account management Dual WAN IPTV support
Power x 1
LAN x 4
WAN x 1
Wi-Fi x 2
USB x 1
AC Input : 110V~240V(50~60Hz)
DC Output : 19 V with max. 1.58 A current
Windows® 8 , 32bit/64bit
Windows® 7 , 32bit/64bit
Windows® Vista , 32bit/64bit
Windows® XP , 32bit/64bit
Mac OS X
207 x 148.8 x 35.5 ~ mm (WxDxH)
RT-AC66U Dual Band 3x3 802.11AC Gigibit Router
Support CD (User manual and utility software)
Quick start guide
Wireless router mode
Range extender mode
Access point mode
Media bridge mode
Actual data throughput will vary from network conditions and environmental factors.
Products certified by the Federal Communications Commission and Industry Canada will be distributed in the United States and Canada. Please visit the ASUS USA and ASUS Canada websites for information about locally available products.
All specifications are subject to change without notice. Please check with your supplier for exact offers. Products may not be available in all markets.
Specifications and features vary by model, and all images are illustrative. Please refer specification pages for full details.
PCB color and bundled software versions are subject to change without notice.
Brand and product names mentioned are trademarks of their respective companies.
ASUS RT-AC66U NEXT GENERATION DUAL-BAND 3X3 802.11AC GIGABIT ROUTER