Dual-Band Wireless-AC600 Wi-Fi adapter
  • The smallest 802.11ac USB Wi-Fi adapter in the market
  • Selectable dual-band 5GHz/2.4GHz for up to 433 Mbps
  • Instant upgrade to next generation 5G Wi-Fi for your desktop and notebook
USB-AC51

The easy way to add next-generation 802.11ac Wi-Fi to notebook and desktop PCs

ASUS USB-AC51 is a pocket-size 802.11ac USB Wi-Fi adapter for you to instantly upgrade your desktop and notebook to the next generation 5G Wi-Fi with hassle-free setup. Its specially-designed internal antenna provides wireless speeds up to up to 150Mbps at 2.4Ghz and 433Mbps at 5Ghz. It supports multiple operating systems including Windows, Mac OS X, and Linux. The transmission quality and excellent features make USB-AC51 a great choice for simultaneous downloads, online gaming, and video streaming.


wifi standard

Next gen 802.11ac wireless, up to 3X faster than previous wireless N adapters

Fast Wi-Fi becomes more accessible via USB, going up to 433Mbps on the clear 5Ghz band. Using 802.11ac wireless, faster connectivity and enjoyment come to all your devices. Compared with current 802.11n, the USB-AC51 delivers up to 433Mbps at 5Ghz, which is 3X faster than 802.11n.

*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.


Selectable dual-band 433 Mbps/150Mbps bandwidth

Dual-band operation suits mainstream and power users. The 2.4 GHz band is perfect for web browsing, email, and social networking, while the 5 GHz frequency enables smooth HD streaming and online multiplayer for blazingly fast and lag-free home entertainment.

fonepad7_tricover_overview

fonepad7_tricover_overview

Tiny 802.11ac Wi-Fi adapter for easy connection and instant upgrade for PCs

The world’s most compact wireless USB adapter measures just 3cm long. It’s easy to carry and fits in pockets, yet offers strong wireless. With its USB interface, the USB-AC51 gives your desktop and notebook an instant 802.11ac Wi-Fi upgrade, with access to speeds of up to 433 Mbps.

Keep Up to Date!

Remember to always keep your device’s firmware up to date so you can benefit from the very latest service and security enhancements — and get exciting new features! Learn more about updating new firmware.

Related products
previous image
next image
  • Products certified by the Federal Communications Commission and Industry Canada will be distributed in the United States and Canada. Please visit the ASUS USA and ASUS Canada websites for information about locally available products.
  • All specifications are subject to change without notice. Please check with your supplier for exact offers. Products may not be available in all markets.
  • Specifications and features vary by model, and all images are illustrative. Please refer to specification pages for full details.
  • PCB color and bundled software versions are subject to change without notice.
  • Brand and product names mentioned are trademarks of their respective companies.
  • The terms HDMI, HDMI High-Definition Multimedia Interface, HDMI Trade dress and the HDMI Logos are trademarks or registered trademarks of HDMI Licensing Administrator, Inc.
  • The actual transfer speed of USB 3.0, 3.1, 3.2, and/or Type-C will vary depending on many factors including the processing speed of the host device, file attributes and other factors related to system configuration and your operating environment.
  • 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 802.11ac 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.