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ASUS RT-AC66U Dual-Band Wireless-AC1750 Gigabit Router IEEE 802.11ac, IEEE 802.11a/b/g/n, IEEE 802.3/3u/3ab

Ships from United States. Most customers receive within 2-10 days.

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  • Up to 450+1300Mbps Wireless Data Rates
  • 5th generation 802.11ac chipset
  • Four Gigabit Ethernet ports
  • Enjoy the ASUSWRT dashboard UI for 3 steps easy setup
  • Two multi-functional built-in USB ports
  • ASUS Ranked "Highest Customer Satisfaction with Wireless Routers in the U.S." - J.D. Power

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews


RT-AC66U_mainimage

ASUS RT-AC66U Dual-Band Wireless–AC1750 Gigabit Router



World's Fastest 5G Wi-Fi

The ASUS RT-AC66U Dual-Band Wireless–AC1750 Gigabit router brings you into the next generation of wireless connectivity with leading 802.11ac Wi-Fi connectivity–5G Wi-Fi–that's up to 3 times faster than current wireless N speeds. One of the first of its kind, the RT-AC66U gives you a combined 1.75 Gbps of wireless data from the 2.4 GHz and 5 GHz streams for unprecedented wireless performance when gaming online, streaming HD media, and other bandwidth-intensive tasks. Coupled with ASUS AiRadar technology for expanded wireless coverage and ASUSWRT that makes set up easy and offers a robust feature set of networking customization settings, the ASUS RT-AC66U is the pioneering router to elevate your Internet surfing experience.

5G-WiFi-logo

The New Standard in Wi-Fi

With 5 GHz speeds up to 1.3 Gbps–3 times faster than most current wireless-n signals, new 5G Wi-Fi 802.11ac standard on the RT-AC66U router delvers amazing wireless performance for seamless HD streaming, online gaming, and other bandwidth-intensive tasks. Additionally, the RT-AC66U supports the new IPv6 standard for better packet transmission and addressing.

Dual-Band Operation and Expanded Coverage

Working on both the 2.4 GHz and 5 GHz, the RT-AC66U future proofs your connectivity as one of the world's first routers to feature 5G Wi-Fi and still features compatibility for current wireless-N devices at up to 450 Mbps. ASUS AiRadar technology amplifies transmission in all directions to ensure you have strong signal coverage throughout a multi-level home. What's more, you can expand your wireless signal up to 20% further with the attachable external antenna*.

Extensive Networking Features

The RT-AC66U is made for ease of use and user optimization to get you setup within seconds out of the box and a personalized experience. With ASUS Quality of Service–QoS, set bandwidth priority by your set applications and tasks. Download Master lets you continue downloads even after you turn off a PC for even greater convenience. With robust parental controls, customize access up to eight SSIDs and set URL filters to prevent access to unwanted sites. Traffic monitoring lets you check your Web usage in a clear graphical interface to help keep you from exceeding any data allotments or to better customize your data plan with your Internet Service Provider.

RT-AC66U_rightimageMultifunctional Built-in USB Ports

 

With its twin USB ports, the RT-AC66U becomes a true multi-role device. Full DLNA compatibility affords smooth connectivity with a variety of entertainment platforms, including game consoles, Blu-ray players, smart TVs, and set-top boxes. The RT-AC66U can also serve as a dedicated FTP server and printer server, letting users share resources for greater productivity while reducing costs as there is no need to buy standalone server hardware.

Versatile Design

The slim RT-AC66U fits nearly anywhere, includes a stand, and boasts 3 external antennas that you can position for enhanced signal reception. The design chassis is also VESA wall mountable to place it behind monitors and other areas.

2-Year ASUS North America Warranty

  • 2-Year North America warranty
  • Free one-way standard shipping
  • 24/7 Technical Support

RT-AC66U_diagram

Versatile Design

The slim RT-AC66U fits nearly anywhere, includes a stand, and boasts 3 external antennas that you can position for enhanced signal reception. The design chassis is also VESA wall mountable to place it behind monitors and other areas.



Dual-Band Operation and Expanded Coverage

Working on both the 2.4 GHz and 5 GHz, the RTAC66U future proofs your connectivity as one of the world's first routers to feature 5G Wi-Fi and still features compatibility for current wireless-N devices at up to 450 Mbps. ASUS AiRadar technology amplifies transmission in all directions to ensure you have strong signal coverage throughout a multi-level home. What's more, you can expand your wireless signal up to 20% further with the attachable external antenna*.

Extensive Networking Features

The RT-AC66U is made for ease of use and user optimization to get you setup within seconds out of the box and a personalized experience. With ASUS Quality of Service - QoS, set bandwidth priority by your set applications and tasks. Download Master lets you continue downloads even after you turn off a PC for even greater convenience. With robust parental controls, customize access up to eight SSIDs and set URL filters to prevent access to unwanted sites. Traffic monitoring lets you check your Web usage in a clear graphical interface to help keep you from exceeding any data allotments or to better customize your data plan with your Internet Service Provider.


Multifunctional Built-in USB Ports

With its twin USB ports, the RT-AC66U becomes a true multi-role device. Full DLNA compatibility affords smooth connectivity with a variety of entertainment platforms, including game consoles, Blu-ray players, smart TVs, and set-top boxes. The RT-AC66U can also serve as a dedicated FTP server and printer server, letting users share resources for greater productivity while reducing cost as there is no need to buy standalone server hardware.

The New Standard in Wi-Fi

With 5 GHz speeds up to 1.3 Gbps–3 times faster than most current wireless-n signals, new 5G Wi-Fi 802.11ac standard on the RT-AC66U router delvers amaing wireless performance for seamless HD streaming, online gaming, and other bandwidth-intensive tasks. Additionally the RT-AC66U supports the new IPv6 standard for better packet transmission and addressing.

 


ASUS RT-N53ASUS RT-N56UASUS RT-N66UASUS RT-AC66U

Key Features

  • Ultra-high-speed wireless performance with 5G Wi-Fi 802.11ac for transfer speeds up to 1.3 Gbps–3 times faster than current wireless N
  • 2.4 GHz and 5 GHz concurrent dual-band transmissions for strong signal strength and compatibility
  • Attachable external antennae for up to 20% further coverage*
  • 256MB RAM for faster processing
  • Gigabit Ethernet ports for the fastest, most reliable internet performance
  • Download Master for wireless data storage and access to router-connected USB storage devices
  • AiRadar for expanded wireless coverage throughout a multi-level building
  • Multi-Function twin USB ports for file sharing, printer networking, and 3G connectivity
  • IPv6 enabled for future proof Web surfing compatibility
  • ASUSWRT for easy 2-step setup, signal monitoring, and network application control

What's in the Box

  • RT-AC66U Dual-Band Wireless-N1750 Gigabit Router
  • Router Stand
  • RJ-45 Cable
  • Support CD (User Manual and Utility Software)
  • Power Adapter
  • Warranty Card
  • Quick Start Guide

© 2012 ASUS Computer International. All Rights Reserved. ASUS is a registered trademark of ASUSTeK Computer. All specifications are subject to change without notice and features are only in select models. Products may not be available in all markets. Brand and product names mentioned are trademarks of their respective companies. (*) Time Machine not currently supported. (**) Avaialble in select models only.
 

Learn more about the ASUS RT-AC66U

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 2 years
  • Limited Warranty period (labor): 2 years
  • Read full details
Ownership: more than 1 year
Verified Owner
5/ 5
Does what it says

Pros: No issues, I don't even think about it because it just works.

Cons: Nothing, just download the free app on your phone and upgrade the firmware if you think it isn't working right.

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5/ 5
don't claim DOA out the box read below

Pros: Update below.

The setup on this router can be done with your eyes close it's very user friendly. I had an issue where I could not get internet access after putting a call into asus tech support which was the greatest support and trouble shooting experience I have ever had. After spending sometime on the phone we went through all that we could to get the router to work. The last resort before calling it DOA the tech said to call my internet service provider to see if it was an issue on their end. I called my ISP and they tweeted a few thing on their end and I have blazing fast connection now thanks to the speed of this router.

Update:
Route no longer works. The only activity I can get now is a blinking power light which seems to occur in these routers upon some research. Sadly this occured 2 weeks after warranty period. I have tried updating firmware and a few other things but cant seem to fix it. I contemplate buying another as the router truly is great but I wont throw $100 at a new router every 2 years. Out of the 3 routers I have owned in the last 12ish years this is the only one to fail.

Cons: Died just over 2 years from install date.

Other Thoughts: thank you asus for another great product

Did you find this review helpful?
Ownership: more than 1 year
Verified Owner
1/ 5
Do NOT buy ASUS routers

Pros: The number of features is really outstanding. It's magnificent.

Cons: Product worked great for a few months but kept resetting to factory defaults. I thought it was some odd security issue which I thought was odd because I always kept the firmware updated to the latest version. I checked it ONCE a week. And I rebooted it manually once a week. But it didn't help. The router would reset to factory default every few months. It was such a headache to deal with. And it would randomly disconnect my laptop from the WiFi 5g network. I was very accepting and I kept hoping that updating the firmware in hopes it would resolve a lot of the issues. They never fixed the issues. It clearly wasn't a hardware issue because if you reset it to factory defaults it would work very well for a couple of days or weeks.

Other Thoughts: I didn't reach out to customer service because I didn't want a new one. I suffered through it. It's an overwhelming hassle to return electronics. Especially the ones that are critical to internet in your home. I gave up and I'm "leasing" a cable modem WiFi router hybrid from the my ISP.

It's a tragedy.

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Ownership: more than 1 year
Verified Owner
1/ 5
Avoid. Strong while it lasts then intermittent to no function

Pros: Strong speed and good range, while it works.
Lots of options and features.
Reasonable GUI for settings.

Cons: Becomes intermittent or fails after hours/days or at best months.
Flimsy stand.
Loudish whirring.
Overheats too easily; no fans, insufficient heat sinks.
All this suggests cheap components.
Warranty and service are weak.

Other Thoughts: This router was purchased to upgrade to 802.11ac on the basis of strong industry and user reviews, as well as good specs. At first, this router indeed performed very well with very fast and consistent speed at high ranges. The features also were better-than-average, with intuitive enough GUI for the settings. However, after about a year, the radio intensity on both 2.4 GHz and 5 GHz became very inconsistent and generally weak, as did the speed. Eventually, there was often no connectivity for extended periods. The router was overheating without being taxed by heave use, it was overheating with the same amount of use as always and was not in a particularly hot or sunny environment. By then I scoured the internet about the problem and it was clear both that many other users had similar issues and that Asus was aware of the problem but not being helpful to its customers. I submitted a RMA under warranty, paying for the shipping myself, then waiting without a router for the replacement. The replacement arrived and initially also performed strongly. This lasted less than one day before signal and throughput again became intermittent.

1 out of 1 people found this review helpful. Did you?
Ownership: more than 1 year
Verified Owner
1/ 5
Three years later

Pros: - easy to manager interface
- vpn server built in
- include mobile app for managing

Cons: - died one year after warranty was over =(

Other Thoughts: Three years later and this router refuses to boot up, tried resetting to no avail.

2 out of 2 people found this review helpful. Did you?
Manufacturer Response:
Dear John,



Thank you for taking the time to share your experience with us. We would like to offer our deepest apologies for the trouble you had with your ASUS Router and I will be happy to assist.Can you provide me with an update of the router at the moment? Also, is the firmware up to date (version 3.0.0.4.380.7378)?
If you’re not able to enter the settings page please see the following FAQ:

https://www.asus.com/support/FAQ/1030650/

If the steps above do not work you can proceed with the following to reset the router:

1. Connect an ethernet cable from any of the LAN ports of the Asus router and the other end to the ethernet port of your computer.

2. Press the reset button at the back of the router.

3. Press the hole/button for 5 to 10 seconds. You can release the button/hole when you see the power light in front of the router blink and flash. That's how you know that the router has been restored to the default settings.
After that, the username and password will be "admin" on BOTH. If you want to change the password, just make sure to take note of it.
After that, the router will reboot. Wait for the power light in front of the router to be solid again before you reconfigure the settings on the router. After resetting please verify if there is connection via LAN and wifi.
If the issue persist please feel free to reach out to us at customerloyalty@asus.com and provide this link for reference. Our customer loyalty department is dedicated to bringing a resolution to all issues related to our products.


Thank you for choosing ASUS

Best Regards,
Joan
ASUS Customer Loyalty US Support
Ownership: 1 month to 1 year
Verified Owner
5/ 5
Solid Router

Pros: East setup, dependable, and great performance.

Cons: None to speak of.

Other Thoughts: Purchased this router in Sept of 2016 and have never looked back.

1 out of 1 people found this review helpful. Did you?
Ownership: 1 month to 1 year
Verified Owner
2/ 5
Faulty after 10 months

Pros: Worked great for home networking / media server - loved the customization tools with it

Cons: went completely haywire, constantly dropping connection with little internet traffic being used, etc

need to file for an RMA with the warranty provided, not even 1 year old...

1 out of 1 people found this review helpful. Did you?
Manufacturer Response:
Dear Adam S,

Thank you for taking the time to share your experience with us. We would like to offer our deepest apologies for the trouble you had with your ASUS Router. We do value your feedback. Thank you for your interest in our product and this will be noted to prevent a recurrence.
Please feel free to send us an email so we can have our technicians diagnose the issue and provide possible solution. For further inquires please reach out to us at customerloyalty@asus.com and provide this link for reference. Our customer loyalty department is dedicated to bringing a resolution to all issues related to our products.


Thank you for choosing ASUS

Best Regards,
Joan
ASUS Customer Loyalty US Support
5/ 5
Great AC Router

Pros: Strong AC connection, great feature set and firmware is easy with both simple and advanced settings with the ability to expand with firmware extension software.

Cons: Single core processor can't handle Gigabit file transfers on switch while prioritizing other connection traffic.

Other Thoughts: This is a great product in it's price rage that has served me well for over a year and will continue to be used as either a bridge or switch but cannot handle my needs with Gigabit file transfers and does not have support for LACP connections to my local NAS box.

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