- 5th generation 802.11ac chipset gives you concurrent dual-band 2.4GHz/5GHz for up to super-fast 1.75Gbps.
- ASUS AiCloud service: Access, stream, share, sync – all on the go with unlimited storage expansion!
- Gigabit Ethernet ports for the fastest, most reliable internet performance.
- AiRadar optimizes wireless coverage with detachable high-powered antennas.
- Enjoy the ASUSWRT dashboard UI for 3 steps easy setup, signal monitoring, and network application control.
- Download Master for wireless data storage and access to your router-connected USB storage devices.
- File sharing, printer sharing, and 3G sharing via two multi-functional built-in USB ports.

The ASUS RT-AC66U is a 5th gen dual-band Wi-Fi router, and the launch platform for the new ASUS AiCloud service. Its speed reaches 1.75Gbps, currently the fastest available, utilizing the Broadcom 802.11ac Wi-Fi controller and working in 2.4GHz and 5GHz. The 5GHz band supports up to 1.3Gbps, exceeding current Gigabit wired transmission and 3X faster than 802.11n. The RT-AC66U offers smooth lag-resistant multitasking and super-fast streaming, while ASUS AiRadar intelligently strengthens wireless connections via powerful amplification, offering future-proof optimized performance.

AiCloud offers a unified app for iOS and Android devices that turns the RT-AC66U into a personal cloud server, with easy connectivity to Windows PC, Mac, Linux machines, and all USB storage. Each account can sync with other AiCloud clients and public cloud products directly. All your content, files, and data can be accessed, synced, shared, and managed from almost any device – smartphones to desktops – wherever and whenever you’re online.

Whether you’re a tech-savvy enthusiast or a first-time user, the RT-AC66U is exceptionally easy to use with CD-free Quick Installation Setup (QIS) that lets you plug-n-surf right out of the box and connect PCs, smartphones, tablets, and other wireless devices quickly. Thanks to its refined interface tools, you get control like never before, letting you monitor signal strength, setup parental settings, and other useful functions in a robust yet intuitive way.

Designed for Class-Leading Speed and Range
With the latest in networking technology, the RT-AC66U delivers exceptionally fast wired and wireless connectivity. ASUS builds this flagship router with the highest-grade components, offering you the best quality to enable stable connectivity and convenient expandability. The router uses powerful detachable Wi-Fi antennas to further extend wireless range.