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  • ASUS Dual-Band Wireless Router (RT-AC56U)
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ASUS Dual-Band Wireless Router (RT-AC56U)

by Asus
| 34 answered questions

List Price: $109.99
Price: $99.99 & FREE Shipping. Details
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23 offers from $64.00
  • 5th generation 802.11ac chipset gives you concurrent dual-band 2.4GHz/5GHz at up to super-fast 1167Mbps
  • ASUS AiCloud app included! Sync, share, and stream your files on the go
  • Radar optimizes signal strength in any direction with 150% greater coverage
45 new from $99.99 5 used from $82.49 3 refurbished from $79.99

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$99.99 & FREE Shipping. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

ASUS Dual-Band Wireless Router (RT-AC56U) + ARRIS / Motorola SurfBoard SB6141 DOCSIS 3.0 Cable Modem - Retail Packaging - White
Price for both: $189.98

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Product Details

  • Product Dimensions: 3.2 x 10.9 x 12.5 inches ; 2.2 pounds
  • Shipping Weight: 2.4 pounds (View shipping rates and policies)
  • Shipping: Currently, item can be shipped only within the U.S.
  • Item model number: RT-AC56U
  • Average Customer Review: 3.8 out of 5 stars  See all reviews (173 customer reviews)
  • Amazon Best Sellers Rank: #556 in Computers & Accessories (See Top 100 in Computers & Accessories)
  • Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.
  • Date first available at Amazon.com: June 14, 2013

Product Description

Premium Outside. Powerful Inside.

The ASUS RT-AC56U wireless router delivers the fastest two by two wireless data throughput available today for up to 1167 Mbps of concurrent dual-band speed on the latest generation of wireless connectivity—802.11ac. Built with a dual-core 800MHz processor and featuring 256MB of onboard DDR3 memory, flawlessly perform multiple bandwidth-intensive tasks like 4K video streaming, online gaming, and more all at once.

At a Glance

  • 802.11ac wireless connectivity for the latest generation of wireless
  • Concurrent 300 Mbps and 867 Mbps dual-band throughput for high-speed wireless performance and reliable compatibility
  • USB 3.0 for up to six times faster transfer speeds than previous generation USB
  • AiRadar for 150 percent expanded wireless coverage and enhanced stability
  • AiCloud to access, share, and stream your files from home to any internet-connected smartphone, tablet, or PC
  • ASUSWRT dashboard for customizing and optimizing to your desired settings
  • Three-step CD-free setup to get your wireless network up and running with ease


World’s Fastest Wi-Fi
World’s Fastest Wi-Fi

Fifth-generation Wi-Fi 802.11ac on the RT-AC56U delivers up to an impressive 867 Mbps at 5 GHz—three times faster than previous generation wireless-N speeds. Smartphones, notebooks, and desktop PCs that are 802.11ac-enabled paired with the RT-AC56U will redefine your expectations, letting you connect more devices to it with enhanced stability and speeds.

Speed with Compatibility
Speed with Compatibility

While the 802.11ac wireless gives you the latest and greatest connectivity, the RT-AC56U still lets you connect to current and previous generation wireless devices on both the 2.4 GHz and 5 GHz bands. So no matter the device or the task, you’re assured reliable compatibility with incredible wireless speed.

Improved Wi-Fi Performance
Improved Wi-Fi Performance

ASUS AiRadar intelligently strengthens wireless connectivity using 802.11ac beam forming technology, high power amplification, and exclusive ASUS RF fine-tuning. This ensures extended coverage, dynamic data speed increases, and enhanced stability.

Share and Store with More Speed
Share and Store with More Speed

USB 3.0 features data transfer speeds up to six times faster than USB 2.0 for quicker access to connected external drives and devices. Built with two USB ports, connect a combination of USB drives, 3G/4G dongles, and printers at once.

Your World on Demand
Your World on Demand

ASUS AiCloud is a free online cloud service that turns your home network into your own personal cloud. With the AiCloud Android and Apple apps or from any PC that has an internet connection, access, stream, sync, and share all your files from home to wherever you want with ease.

3-step Easy Setup and Customization
Easy Three-Step Setup and Customization

Simply connect the RT-AC56U to your modem, open a Web browser to a wirelessly-connected PC, smartphone, or tablet, and complete the setup wizard to effortlessly setup your network. With the ASUSWRT user interface, optimize your network for you by setting up guest accounts, prioritizing bandwidth to specific online tasks, creating parental settings, and more.


  • Processor: Dual-core Cortex-A9 800MHz 4000 DMIPS
  • Antenna: 4 x DockOn high-efficiency compound CPL antenna (2 x 2.4 GHz and 2 x 5 GHz)
  • Memory: 128MB flash and 256MB DDR3 RAM
  • Operating Frequency: 2.4 GHz and 5 GHz (concurrent)
  • Buttons: WPS button, Wi-Fi on/off button
Interface Type
  • 1 x Gigabit WAN port
  • 1 x Gigabit LAN ports
  • 1 x USB 3.0
  • 1 x USB 2.0
Data Rate
  • 802.11b: Up to 11 Mbps
  • 802.11g: Up to 54 Mbps
  • 802.11n: Up to 300 Mbps
  • 802.11ac: Up to 867 Mbps*
Output Power
  • 2.4 GHz: 22dBm (802.11b), 19~22dBm (802.11g/802.11n)
  • 5 GHz: 18~21dBm (802.11a/802.11n)**
Supported OS
  • Windows XP / Vista / 7 / 8
  • Mac OS X 10.4 / 10.5 / 10.6 / 10.7
  • Size: 5.8 x 8.1 x 2.6 inches
  • Weight: 0.9lbs

What's in the Box

  • RT-AC56U Dual-band Wireless-AC1200 Gigabit Router
  • RJ-45 cable
  • Power adapter
  • Warranty card
  • Support CD
  • Quick Start guide

* 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.
** According to regulations of different areas, output power may be variously adjusted.

Customer Questions & Answers

Customer Reviews

Don't take the risk, get your money's worth and buy another option.
Perhaps there were too many wireless signals in my area so if I switched channels or only used the 5GHz band it would be better, but unfortunately I was wrong.
C. Blue
I like the GUI they use, it's nice and also has a lot more choices in features compared to many other routers out there.

Most Helpful Customer Reviews

The manufacturer commented on the review below
39 of 44 people found the following review helpful By Joe User on December 17, 2013
Verified Purchase
+ great 5GHz wireless speed
+ same SOC as the ac68u (currently the best CPU ASUS uses is in this model, which in theory should be internally faster than the lesser CPU used in the slightly more expensive and higher end AC66u)
+ VPN and dual WAN features, all the more advanced features of the ac68u are also in this model
+ I can connect at 560mb in my living room, with the router 1 floor below in my basement
+ real world wifi speed test around 40MB/s while connected 5 ft away from router, transferring a 1GB file from 1gb LAN SSD based server to laptop SSD. Laptop connected via intel adapter 802.11AC @ ~ 800mbit on the 5GHz band
+ Newest firmware has feature to disconnect clients based on signal strength (useful for multi AP setups when you want the device to pick up a stronger signal with the same SSID)
+ intuitive web interface with tons of options, only slightly less than say DD-WRT but all essentials plus a few extras are present in the ASUS firmware.

- 2.4GHz frequency, more specifically the 802.11N implementation is seriously FLAWED and not usable until ASUS fixes the issue.
- Clients drop connection on 2.4GHz 802.11N connection after about ~50MB of data is transferred. Router seems to go into low power mode, causing either drastic speed reduction (to say 1mb) or link loss/fade.
- I discovered that turning off the 2.4GHz N specification fixes the link fade / low power issue. Unfortunately you'll only be able to use b/g mode but it works well.
- latest firmware from 11/2013 does not fix the problem with 2.4GHz N disconnect flaw.

Final thoughts:
Overall this router has a lot of potential. The WAN connection is very stable and has not dropped in the two weeks I've used it.
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The manufacturer commented on this review(What's this?)
January 24, 2014
Dear Joe User,

Please download the latest firmware at our support site at: http://www.asus.com/Networking/RTAC56U/#support
For further assistance, please contact me at cl-celeste@asus.com and include case#3374862 in the subject line. ASUS Customer Loyalty is here to listen and respond to your concerns and to help you with a positive ASUS experience.

ASUS Customer Loyalty
36 of 41 people found the following review helpful By stratatak7 on September 16, 2013
All I can say is wow. I don't typically leave reviews for products, but this one needed to be reviewed. I recently switched from a Linksys e1200v1 after constant connection drops in an area with high 2.4GHz interference. I hooked this router up to a Sony Vaio Pro 13 with an Intel 7260 wireless chip via the 5GHz network and was immediately blown away at the speed and range. In the area of my apartment where I typically got a dropped connection, I now have a full connection, ping times have decreased to nearly the same as my hardwired desktop, and internet connection speeds have nearly tripled due to the increased range and power of this router. That's incredibly impressive for the 5GHz network to have a greater range than the 2.4GHz network considering all the walls this thing is penetrating to get to my living room. I didn't even have to change the default Tx power from 80mW to get that (configurable up to 200mW)! Amazing.

Bottom line: If you live in an area with lots of wifi interference, this router is your new best friend. If you live in a remote area and want a pain-free wireless router, this router is your new best friend. I have not experienced a singe connection drop, VPN services are spot-on, Asus AiCloud is one nifty little tool, and of course, it supports the latest 5th generation wireless AC standard. This is the best, fastest router I have ever tested (I'm a computer engineer) and I will not hesitate to recommend this to anyone. I can't seem to find a fault yet. I will update this review if anything comes up, but I have to say, it's looking pretty slim that I'm going to be disappointed in the future. It is worth every penny.
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28 of 32 people found the following review helpful By KD on July 31, 2013
I just set this up to replace an E3000 as the main router. The reason for doing so is that the 5GHZ radio on the E3000 is flaky and doesn't reach my master bedroom. The router is placed at the front of the house in one bedroom with my master bedroom on the other end of a 2000 sq ft house. It's not a large distance as the house is rectangular so it's 50 feet at most, but there are walls in between. The 5GHZ radio was an epic fail on the E3000.

I'm happy to report that this unit solves the issue of the 5GHZ signal death. The signal is now stronger than the 2.4Ghz signal of the E3000. I routinely receive full to half bars on my Ipad on the 5GHZ spectrum in my bedroom where I had none before. This means that I will not have to put money on the AC68U which I suspect will cost at least $50 more for the external antennas. Unless you have a gigantic house, there's no need to get its big brother. As far as I know, the only difference between this and the AC68U are the external antennas and the extra stream radio that requires an equivalent adapter to use. In other words, not worth it as you will be hard pressed to reach the theoretical 866 Mbps of this router.

The unit has 256MB RAM with dual core ARM A9 processors (similar to the earlier Ipads). I have to say that the web interface is much faster than what I was used to. Youtube no longer freezes when it stream (but I still need to test further). However, streaming 1080P video from my HTPC to my Samsung TV the video froze twice. I use the E3000 as a client bridge with its 2.4ghz radio to the AC56U, which then transmit that signal by 5GHZ radio to the TV. I will have to test some more because it should not be freezing at wireless N signal.
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ASUS Dual-Band Wireless Router (RT-AC56U)
This item: ASUS Dual-Band Wireless Router (RT-AC56U)
Price: $109.99 $99.99
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