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Asus RT-AC56U WiFi router: Pros and Cons

300 + 867 Mbps
IEEE 802.11a/b/g/n/ac
Broadcom BCM4708 @ 800 MHz
256 MB / 128 MB

The Asus RT-AC56U (RT-AC56U) router released in 2013. It is powered by Broadcom BCM4708 @ 800 MHz chipset, 256 MB of RAM and 128 MB of flash. The AC1200 router is compatible with IEEE 802.11a/b/g/n/ac standards, and the maximum speed that you can get with RT-AC56U is 300 + 867 Mbps. The router has 1 x 10/100/1000 Mbps WAN and 4 x 10/100/1000 Mbps LAN ports.

Table of Contents

Our personal experiences and opinions form the basis of this article. We aimed to share insights on a topic, and we hoped others would find it useful and inspirational. The specs below rely on official manufacturer data, but we also consider user reviews. If you noticed any mistakes or missing details about the Asus RT-AC56U, please let us know. Furthermore, we strive to deliver a thorough and precise overview.

Asus RT-AC56U / RT-AC56U

The RT-AC56U is a powerful router. It is full of features and made for advanced networking. This router has USB connectors. They add features and expand your network's capabilities. Asus routers are generally known for their user-friendly design and easy setup process.

Asus RT-AC56U specifications

BrandAsus
NameRT-AC56U
TypeRT-AC56U
Rating
Rated 3/5 based on 1455 user votes.
Launch2013

Body

Dimensions147 x 205 x 66 mm

If you plan to move or travel a lot and need to take your router with you, the size is important. It needs to be small to be easy to carry.

Asus RT-AC56U (RT-AC56U) / 2

System

ChipsetBroadcom BCM4708 @ 800 MHz
RAM256 MB
Flash128 MB
OSAsus
Alternative OSDD-WRT
Power supply19 V / 1.75 A

The Broadcom BCM4708 @ 800 MHz CPU provides processing power. It handles tasks and services within the RT-AC56U router. Some router features and software need a certain amount of RAM. They need it to work well. More storage space comes from a larger flash memory. It can accommodate future firmware upgrades. The firmware upgrade process may vary depending on the router model. However, it often involves accessing the router's web-based administration interface.

Other router operating systems offer more customization options. They also have advanced features. Router makers compare this to the default firmware. The Asus packages the RT-AC56U router with 19 V / 1.75 A PSU.

Asus RT-AC56U (RT-AC56U) / 4

Network

ProtocolsIPv4
IPv6
LAN ports4 x 10/100/1000 Mbps
WAN ports1 x 10/100/1000 Mbps
Mobile networkyes, with USB dongle
VPN supportPPTP
L2TP
OpenVPN

The RT-AC56U router has built-in security features. They protect your network and devices. The IPv4 uses 32-bit addresses, represented as four sets of numbers separated by periods (e.g. 192.168.0.1). The router also supports IPv6. This allows you to use the latest Internet Protocol. If you have a 1 Gbps or faster internet plan, you need gigabit Ethernet ports. They are essential to use all the available bandwidth.

This router ensures that you can use fast internet from your ISP fully. You can connect the 3G/4G USB dongle to the USB port on the RT-AC56U router. OpenVPN uses a certificate-based authentication system. This enhances security and provides a stronger method of identity verification. PPTP uses the Password Authentication Protocol (PAP). It also uses the Challenge Handshake Authentication Protocol (CHAP) for user authentication.

Asus RT-AC56U (RT-AC56U) / 1

Wireless

Antennas2 x 5.1 dBi
2 x 3.8 dBi
internal
2.4 GHzyes
5 GHzyes
60 GHzno
StandardsIEEE 802.11a/b/g/n/ac
ClassAC1200
Speed300 + 867 Mbps
Transmit power24 dBm
SecurityWEP
WPA
WPA2
WPS
Guest networkyes

A well-positioned antenna can reduce interference and signal weakening. This leads to a more reliable connection. The router supports the 2.4 GHz Wi-Fi. Using the 5 GHz band can move some devices from the crowded 2.4 GHz band. This cuts congestion and boosts the network. The AC Wi-Fi router is backward compatible with older Wi-Fi devices that support 802.11a/b/g/n standards. Real-world RT-AC56U router speeds are lower than its theoretical maximum speed.

WEP was the first Wi-Fi security protocol. But it is now seen as weak and easy to hack. The introduction of WPA2 (Wi-Fi Protected Access 2) improved upon WEP. It provides stronger security. WPS (Wi-Fi Protected Setup) provides an easy method. It connects devices to a Wi-Fi network.

Asus RT-AC56U (RT-AC56U) / 5

Connectivity

USB ports1 x USB 2.0
1 x USB 3.0
Print serveryes
File serveryes

The USB 2 port has a maximum theoretical data transfer rate of 480 megabits per second (Mbps). The USB 3 ports provide a fast interface for external storage with data transfer rates of up to 4.8 Gbps. By connecting a USB printer to the RT-AC56U router, you can make it accessible to all devices on your network. This router has a USB file server. It lets you connect external storage devices to your network. For example, you can connect USB flash drives or hard drives.

Asus RT-AC56U (RT-AC56U) / 3

Administration

Default IP192.168.1.1
Default usernameadmin
Default passwordadmin

If you can't log in to your Asus router's setup panel, try resetting it. A reset can help you troubleshoot. It is highly recommended to change the default password of your RT-AC56U router. Do this after the initial setup.

Pros and Cons

Every router, including this Asus one, has its good sides and not-so-good sides. Let's take a closer look at both to get a full understanding of what this router can do. We'll talk about what it does well and also where it could use some improvements. Just remember, this is just what I think, and you might see things differently.

Pros

  • generous memory
  • adequate flash
  • IPv6 capable
  • high-speed LAN port
  • high-speed WAN port
  • 3/4G USB modem capable
  • supports OpenVPN
  • works on 5 GHz band
  • WPS friendly
  • USB 2 compatible
  • USB 3 compatible
  • printserver functionality
  • fileserver operation

Cons

  • missing Wi-Fi 6 support
  • incompatible with WPA3

Asus RT-AC56U photos

Asus RT-AC56U / RT-AC56U photo
Asus RT-AC56U / RT-AC56U photo
Asus RT-AC56U / RT-AC56U photo
Asus RT-AC56U / RT-AC56U photo
Asus RT-AC56U / RT-AC56U photo
Asus RT-AC56U / RT-AC56U photo
Asus RT-AC56U / RT-AC56U

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Robert Miller
For over 15 years, I've immersed myself in the world of networking devices as a tech aficionado. I've dedicated myself to thoroughly testing and analyzing routers and other networking gear. I aim to provide thorough reviews. They will give you the knowledge needed to improve your network.
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