Buy
AX1800 Dual Band WiFi 6 (802.11ax) Router supporting MU-MIMO and OFDMA technology, with AiProtection Classic network security powered by Trend Micro™, compatible with ASUS AiMesh WiFi system
  • Next-Gen WiFi Standard - Supporting the latest WiFi standard 802.11AX (WiFi 6) for better capacity and efficiency
  • Ultra-fast WiFi Speed – RT-AX55 supports 1024-QAM for dramatically faster wireless connections. With a total networking speed of about 1800Mbps — 574 Mbps on the 2.4GHz band and 1201 Mbps on the 5GHz band.
  • Increase Capacity and Efficiency – Supporting not only MU-MIMO but also OFDMA technique to efficiently allocate channels, communicate with multiple devices simultaneously
  • Protection for Your Home Network– lifetime free AiProtection, powered by Trend Micro™, blocks internet security threats for all your connected smart devices.
  • Better Partner with Mesh System- Compatible with ASUS AiMesh WiFi system for seamless whole-home coverage.
  • NitroQAM™ (1024-QAM) technology - NitroQAM™ (1024-QAM) technology enables a 25% data rate while the older standard is limited to 256-QAM.
Win11
extendable router icon
RT-AX55
RT-AX55

Get Your Home Ready for WiFi 6 (802.11ax)

The growing number of connected personal and IoT devices has led to an overall increase in network density that is pushing the limits of the current WiFi standard. The latest 802.11ax standard provides future-proof technologies, higher network efficiency, faster WiFi speeds, greater coverage and improved battery life for connected devices, providing a significantly better networking experience for users.
*It requires 802.11ax-compatible devices to enjoy the benefits brought by 802.11ax WiFi standard.

Next-Gen WiFi Speed

RT-AX55 is a 2x2 dual-band WiFi router that provides 80MHz bandwidth and 1024-QAM for dramatically faster wireless connections. With a total networking speed of about 1800Mbps — 574Mbps on the 2.4GHz band and 1201Mbps on the 5GHz band — RT-AX55 is 1.5X faster than 802.11ac 2x2 dual-band routers.

802.11ax 2X2

1800Mbps

 1.5X Faster

802.11ac 2X2

1200Mbps
ASUS RT-AX56U

  • Network Efficiency

  • Power Saving

  • Better Coverage

  • Network Efficiency

    Built for Multi-device Households

    With a revolutionary combination of OFDMA and MU-MIMO technology, 802.11ax technology provides up to 4X greater network capacity and efficiency in traffic-dense environments. Previous-generation 802.11ac WiFi can only handle one device at a time on each network channel, which is an inefficient use of available bandwidth. OFDMA support in the 802.11ax WiFi standard divides each channel into small sub-channels, allowing signals from multiple devices* to be bundled together and transmitted simultaneously, reducing latency for a smoother, more responsive WiFi experience.

    In the past: 1 device processed at a time
    802.11ac OFDM

    Bandwidth wasted - Higher latency

    Now: Multi-devices processed simultaneously
    802.11ax OFDMA

    Bandwidth fully utilized - Lower latency

  • Power Saving

    Better Battery Life for Your Devices

    Target Wake Time (TWT) allows RT-AX55 to schedule designated intervals for devices to transmit data. This allows them to sleep when there is no need to wait for a router signal, reducing power consumption by up to 7X for significantly improved battery life*.

    Without Target Wake Time
    802.11ac In the past: 1 device processed at a time

    Higher Device Power Consumption

    With Target Wake Time
    802.11ax Now: Multi-devices processed simultaneously

    7X better battery life for client devices

  • Better Coverage

    WiFi that Goes Farther

    With the latest 802.11ax WiFi standard featuring OFDMA technology, RT-AX55 provides increased WiFi signal range and better coverage by dividing each channel into smaller sub-channels. These sub-channels have a smaller bandwidth that enables them to travel up to 80% farther1, resulting in a better WiFi connection throughout your home*.

    802.11ax Technology

    Up to 80%
    Better Range*

    9dB

    802.11ac Technology

BSS Coloring Boosts Connection Efficiency

WiFi 6 includes a new feature called BSS Coloring that improves WiFi connection efficiency even in crowded environments. When two neighboring routers send traffic on the same channel, your router has to wait until the channel is free. With BSS Coloring, your WiFi 6 router identifies its data with a unique channel tag ('color') that's different from neighboring networks. Your WiFi 6 router can then ignore other-colored signals on the channel and send data immediately.* This greatly reduces router waiting times and boosts network efficiency.


*A BSS Coloring-compatible client is needed to enjoy the benefit.
In the past: 1 device processed at a time
Now: Multi-devices processed simultaneously

Powerful Whole-home WiFi System.
The Way You Want.

In most cases, your RT-AX55 can deliver smooth, reliable WiFi to every part of your home. But WiFi coverage can be affected by many factors — room layout, construction materials, and even furnishings. ASUS AiMesh is an innovative new router feature that fixes these problems: it creates a whole-home WiFi network using multiple ASUS routers. AiMesh is powerful, flexible and you can use a mix of ASUS router models — protecting your investment! AiMesh gives you time-saving central control, and seamless roaming capability. AiMesh is WiFi you can rely on — for all your devices, all the time!

> Learn More
ASUS AiMesh Whole Home WiFi system

  • Turn your ASUS routers into whole-home WiFi system with a simple firmware update

  • Mix and match preferred models from selected ASUS routers

  • Create a WiFi network with either a single SSID or multiple SSIDs

  • All router features works across the entire WiFi system

Disclaimers:

  • 1 The data refers to uplink OFDMA
  • 2 ac data refers to: 40MHz / 256QAM on 2.4GHz band and 80MHz / 256QAM on 5GHz band. ax data refers to: 40MHz / 1024QAM on 2.4GHz band and 80MHz / 1024QAM on 5GHz band
  • * To benefit from 802.11ax features, the WiFi client needs to be 802.11ax capable.
  • ** Actual data throughput and WiFi coverage will vary from network conditions and environmental factors, including the volume of network traffic, building material and construction, and network overhead, result in lower actual data throughput and wireless coverage.
  • *** Quoted network speeds and bandwidth based on current IEEE 802.11ax specifications. Actual performance may be affected by network and service provider factors, interface type, and other conditions. Connected devices must be 802.11ax-compatible for best results.
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