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Item#: N82E16833320157

ASUS RT-AC66R Dual-Band Wireless-AC1750 Gigabit Router –Asus Certified.

Refurbished newegg

  • Up to 450+1300Mbps Wireless Data Rates
  • 5th generation 802.11ac
  • Four Gigabit Ethernet ports
  • Enjoy the ASUSWRT dashboard UI for 3 steps easy setup
  • Two multi-functional built-in USB ports
This product qualifies for the Iron Egg guarantee. We'll match any qualifying competitor's price.
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The ASUS RT-AC66R Dual-Band Wireless–AC1750 Gigabit router brings you into the next generation of wireless connectivity. With its leading 802.11ac Wi-Fi connectivity – 5G Wi-Fi – it's up to three times faster than current wireless N speeds. One of the first of its kind, the RT-AC66R gives you a combined 1.75Gbps of wireless data from the 2.4GHz and 5GHz streams. It provides unprecedented wireless performance when gaming online, streaming HD media, or doing other bandwidth-intensive tasks.

ASUS's AiRadar technology offers expanded wireless coverage, while ASUSWRT makes set up easy with a robust set of networking customization settings. The ASUS RT-AC66R is the pioneering router to elevate your Internet surfing experience.

  • newegg World’s Fastest Wi-Fi: 802.11ac Powered by 5th generation Wi-Fi (5G Wi-Fi), the new 802.11ac Broadcom chipset gives the RT-AC66R superfast Gigabit wireless speeds. Compared with current 802.11n, the RT-AC66R delivers up to 1.3Gbps at 5GHz, which is three times 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 your connectivity now and in the future.
  • newegg The 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
  • newegg Optimized and Reliable Wireless Coverage via AiRadar ASUS AiRadar intelligently strengthens connections to wireless devices. Its high-powered amplification and beam packaging provide optimized signals in any direction, with better coverage to improve your data throughput.
  • newegg Dual-Band Connectivity for Lag-Free Entertainment Delivering 2.4GHz and 5GHz concurrent bands at up to 450Mbps and 1.3Gbps, respectively, the RT-AC66R 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, support online gaming, or run other demanding applications smoothly on the clearer 5GHz band.
  • newegg Three-Step Easy Setup Through Your Pad, Smartphone, or PC With the RT-AC66R, 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.
  • newegg Get online in 30 seconds Smart auto-detection design makes it possible for you to go from plugging in the RT-AC66R to setup completion in under 30 seconds! Compared to the lengthy installs and hassles of other routers, this development from ASUS is a true wonder in ease of use, and puts the most extreme networking speeds within your reach more quickly than ever before.

Learn more about the ASUS RT-AC66R

Quick Info


  • Limited Warranty period (parts): 90 days
  • Limited Warranty period (labor): 90 days

Customer Reviews of the ASUS RT-AC66R

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  • Christopher A.
  • 6/19/2015 9:30:22 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsUseless Support/Warranty

Pros: When it was working, wi-fi was more stable and had longer range than my old router.

Cons: Router forgets its configuration and reverts back to the defaults after a few days of operation.

Other Thoughts: I have worked both sides of an IT support desk, and this is the absolute worst experience I have ever had. A router that loses its configuration and disconnects from the Internet every few days is not at all useful to me. I contacted Asus Support while the warranty was still in effect and did everything that was asked. Due to the nature of the problem, the 90 day warranty had expired when Asus finally granted me an RMA number. After I paid to ship the router back, Asus wanted an additional $130 to fix it out of warranty (which is more than I paid for it to begin with) which I refuse to pay. Visa was no help either. Asus is shipping it back where it will promptly find its way to the garbage. The lessons I’ve learned is to make sure to thoroughly test and burn in the product while Newegg’s return policy is still in effect and to think twice before buying another Asus product again.

Did you find this review helpful? Yes No

  • 6/6/2015 5:16:08 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

1 out of 5 eggsStarted out Great

Pros: - Great Range
- Great Speeds
- Firmware has finally gotten polished
- Firmware is updated frequently

Cons: As with many others, my router started to randomly having wireless trouble.

The refurb unit lasted me about a year before it started happening. The wireless would cut out. All of my devices said they were connected to wifi, but there was no network access. When I would reconnect my phone/computer/tablet, they would tell me they connected, and were in the process of obtaining an IP address but they never succeeded. When setting a static IP on the devices, they still were unable to get network access.

Rebooting the router seemed to fix the issue, for a week or two. Sometimes the router would immediately stop working again after a reboot, but, most of the time, it would return to normal operation for a week or two.

The issue appeared to be more prevalent when using the unit in Repeater mode instead of Router or Access Point mode.

I saw the bad reviews and decided to take my chances on this product because of the nice pricing. I got a years worth of use out of the refurb unit. Some would say that's ok, others would not. I WOULD NOT RECOMMEND buying the REFURB unit. I WOULD RECOMMEND buying the normal retail unit.

Based on the high volume of bad reviews on the refurbished product. It seems as though the Asus refurb facility is either not equipped to fix this problem, or they do not have the resources allocated to the refurb facility to adequately test the returned units to determine if a unit has this issue or not. There have been numerous firmware updates (one of the great pros) to this router, but, this issue hasn't been fixed by any firmware updates.

Other Thoughts: Purchased - November 2013
Started to Die - December 2014

I'm purchasing a NEW RT-AC66R to replace this one that has died, but I would never buy a refurb unit of this product again.

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  • Evan B.
  • 5/7/2015 9:00:13 AM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsLike New!

Pros: Lightning fast
No outages
Easy setup

Cons: Port placement is not ideal

Other Thoughts: I have been using this router for almost two months now. In that time I have had an excellent connection throughout my two-story townhouse and not one outage that required resetting the router. The speeds I get on this router and fast and totally satisfying. I do not have gigabit internet anymore, but I plan on utilizing it again in the future. However, I do a lot of streaming and file transfers over my home network and this is where I really enjoy the extra boost.

There are way more settings on this thing that I know what to do with. Which has actually been kind of nice because I have been learning a lot about home networks as I explore what all of the options do.

The only thing that I do not like about this router is the placement of the ports and how the stand works. The cables end up coming up and out of the router in-between the antennae. This makes cable management a little difficult as you can't really hide the wires or efficiently run them down and away from the router. But this is my biggest complaint and it's purely aesthetic.

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  • Charles H.
  • 5/1/2015 11:28:37 AM
  • Tech Level: Average
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsRT-AC66R Mac OS X need IP Scanner to Monitor or Configure

Pros: I am using the RT-AC66R as an ethernet-WiFi Bridge, before I get landline broadband. However, due to the weakness of the wifi to which I am connecting, I am going to get replacement antennas to see whether I can increase the signal strength detected.

Cons: However, to configure the RT-AC66R using a browser from Mac OS X, one needs an IP Scanner to Monitor or Configure -- not having dealt with network configuration in decades, this took me a LONG time to figure out. ASUS support was only marginally helpful -- I don't think ASUS support even noticed that I had entered Mac OS X as my operating system, nor read the file documenting my problem -- I think they just pumped out a form response. I initially used Network Device Finder, and have moved on to IP Scanner, which seems to have more function. Both are free software available at MacUpdate.

Other Thoughts: It would be useful to note in the product description the need for IP scanning capacity when configuring from Mac OS X. All the Asus utility software is Windows, and I for one don't want to try to use Wine or Crossover, if it still exists.

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  • Roger C.
  • 4/23/2015 6:12:29 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGreat AC router

Pros: Very capable router out of the box - huge feature set without flashing custom firmware. Easy setup, ASUS borrowed a lot of code from Tomato and DD-WRT so the features should be fairly familiar if you have experience with those.

Easily flashable with 3rd party firmware such as Tomato, DD-WRT, and ASUSWRT-Merlin.

80Mhz 5GHz channels - these bond 4x 5GHz channels together for very high throughput. Using iperf, I was able to get 320Mbit/s bonding 149-161 at 3 yards, line-of-sight. Only got 190Mbit/s by only bonding 149+153 (40Mhz)

Great Gigabit Ethernet throughput as well - not up to enterprise switches but still able to push over 800Mbit/s over a wired connection (tested with iperf)

Cons: Single-core CPU sometimes chokes while multitasking - cannot do QoS for 50Mbit of download while also serving as an OpenVPN server. I guess get the AC68R if you need a beefier CPU.

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  • Andrew C.
  • 4/19/2015 9:01:41 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

2 out of 5 eggsGreat Router when it works

Pros: Ease of configuration.
Recoverable when firmware fails.

Cons: Recently I've been experiencing firmware issues during power failures. It's plugged into a surge protector, so I think the router is just very sensitive to power failures. The router will not reboot correctly. It will reboot to the recovery page. From this point it doesn't matter how many times you reboot the router or use the reset switch, you will have to reinstall the firmware. To do this, you can either use the recovery page that loads when you navigate to the router's IP address, or use the recovery application on Asus' support page. Either way, you will need to download the newest firmware, or use an older previously downloaded version, which I chose to do. I wasn't sure if it was this newest firmware update from 3/3/15 that was causing the issues, so that's why I chose to use a previous firmware version. After I reinstalled the old firmware I uploaded the backup configuration file I had saved from after I initially set up the router when I bought it. The router rebooted after the configuration was loaded, but it was still acting buggy, and any time I tried to access the administration page via the router IP, I was getting what looked like a DNS error, and it would default to an internet search of "find device.local" which I was unfamiliar with, but apparently it's a firmware bug. It took a few more router reboots for it to start working correctly, but it seems to be stable now. I'm not very confident in the longevity of this refurbished router considering the issues I'm having after nearly a year of use, but fortunately I have the extended 2 year warranty on it.

1 out of 1 people found this review helpful. Did you? Yes No

  • Meliza H.
  • 4/12/2015 7:49:44 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsHorrible Router

Pros: Great speeds when it works.

Cons: Unstable WAN connection

Other Thoughts: I've had this router less than three months and never have I had so many problems. I constantly lose the WAN connection. Reseting the router only works half the time. I've tried multiple Firmwares, factory resets, and tech support to no avail. Stay away from this router.

1 out of 1 people found this review helpful. Did you? Yes No

  • Bromin M.
  • 3/30/2015 6:17:17 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsExcellent Router

Pros: Overall an Excellent Router. Has tons of feautres. Prior to this router I used multiple other routers and none of them could deliver. The router in my home is placed on my top most floor and I could never get signals to the diagnol end of my house which is the basement corner. Prior to this router, I had used around 3 powerline ethernet adapters to connect my TV's, Xbox etc since the wireless connectivity was simply not able to sustain watching online movies etc. With this router I was able to unplug all those powerline devices and streaming video works without any issues.
I have used almost all the feautres of the router including the VPN Server support.

Cons: The DOS option when enabled seems to reboot the router if it detects even any major port scan. It off by default and I would suggest keeping it off to avoid disruptions.

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  • David D.
  • 3/25/2015 2:17:37 PM
  • Tech Level: High
  • Ownership: less than 1 day
  • Verified Owner

1 out of 5 eggsASUS RT-AC66R

Pros: na

Cons: DOA. doesn't power up

Manufacturer Response:

Dear Valued Customer,

I am sorry to read about your AC66R Router not powering on. Did you just purchase the router? If you would like to know your RMA options utilizing your ASUS manufactures warranty, feel free to email me at with reference case number N150388371. I would be more than happy to help assist you with any questions you may have.

Thank you for being a loyal ASUS customer.

Best regards,
ASUS Customer Loyalty

1 out of 1 people found this review helpful. Did you? Yes No

  • James G.
  • 3/13/2015 5:20:46 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGreat Router

Pros: Decent range given the price point

Like the 2.4Ghz and 5Ghz bands available

Cons: None that i can tell outside of wishing it had just a bit more range and wall penetration. But i think most people that own a wireless router will say that regardless of model.

Other Thoughts: Like most routers, will see much better performance if you swap the firmware when you get it. ASUS actually even openly supports and encourages their customers to use a particular aftermarket firmware to increase performance.

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Item#: N82E16833320157
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