Next gen 802.11ac wireless, up to 3X faster than 1x1 wireless N routers

Powered by 5th generation Wi-Fi (5G Wi-Fi), the 802.11ac chipset gives the RT-AC51U faster wireless speeds than N technology. At 2.4 GHz, it reaches 300 Mbps, while on the 5 GHz band it blazes to 433 Mbps. The upgraded bandwidth has the higher capacity you need to increase Wi-Fi enjoyment at home. With notebooks, desktops, pads and smartphones all Wi-Fi-reliant, it’s time to upgrade to the next generation to expand your connectivity.

Dual-band connectivity for compatibility and performance

Delivering 2.4 GHz and 5 GHz concurrent bands at up to 300 Mbps and 433 Mbps, respectively, the RT-AC51U has a total speed of up to 733 Mbps and maintains complete stability. Perform basic tasks like Web browsing and file downloading on the 2.4 GHz band, while simultaneously allowing multiple devices to stream in Full HD or support online gaming and other bandwidth-demanding applications smoothly on the clearer 5 GHz band.

No more dead zones with 150 per cent the coverage

Powerful two-way transmission improves Wi-Fi range by 150 per cent compared generic routers, ensuring far-reaching coverage. The design of RT-AC51U means a connection you can always rely on.

Add external storage, printers and other devices to your network

With built-in USB port, connect external storage, printers and other devices to RT-AC51U and share them throughout your network at once.

1. All-in-one printer sharing

2. All-day downloading - FTP file sharing

3. 3G/4G support

Robust control and optimisation with ASUSWRT

With the ASUSWRT dashboard UI, setup, monitor and control network applications all in one intuitive area. On top of 30-second setup, multi-device detection and flexible settings that make the most of your network performance, it’s been upgraded with quick scanning of USB storage connected to routers to verify data integrity and drive health. Dual WAN enables having two connections/ISPs on one router, with load balance and failover mode for added stability and redundancy to ensure uninterrupted internet access.

Do you game a lot or spend most of your time streaming videos? Whatever your planned use is, the RT-AC51U has Quality of Service (QoS) standards that let you select how much bandwidth is prioritised for virtually any task. Plus, the traffic monitor allows you to check your Web usage in a clear graphical interface.

Easy 3-step setup

Use your smartphone, tablet or PC to effortlessly set up your ASUS router in less than 30 seconds¹ and in only three easy steps. Simply connect the cables to the router, open a Web browser and follow the setup wizard to get you to the internet in no time.

ASUS AiCloud – Your world on demand

ASUS AiCloud keeps you connected to your data wherever and whenever you have an internet connection. It links your home network and online Web storage service2 and lets you access it through the AiCloud mobile app on your iOS or Android smartphone or through a personalised URL in a Web browser.

Download and stream anywhere

Download Master and enhanced media server let you download and play multimedia files stored on router-attached USB storage on a wide range of compatible devices such as PC, pad, PS4, Xbox and smart TV. Download Master can also download files while your PC is turned off and allows you to manage and monitor download status remotely.

VPN server enabled

Easily set up a VPN server to browse the web and access data — no matter where you are. Featuring PPTP encryption, your data transmission remains always secure and confidential.