Asus USB-AC51 Dual-Band Wireless AC600 Network Adapter, USB 2.0

MX50055 USB-AC51 Dual-Band Wireless AC600 Network Adapter, USB 2.0
MX50055 USB-AC51 Dual-Band Wireless AC600 Network Adapter, USB 2.0 MX50055 USB-AC51 Dual-Band Wireless AC600 Network Adapter, USB 2.0

Product Info

Add 802.11ac Wi-Fi To Existing Notebooks & Desktops

featureASUS USB-AC51 is the smallest 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.

The ASUS USB-AC51 is specially-designed internal antenna provides wireless speed up to up to 150Mbps at 2.4 GHz and 433 Mbps at 5 GHz.

It also supports multiple OS platforms, including Windows, Mac OS X, and Linux.

Excellent transmission quality and features make the ASUS USB-AC51 a great choice for simultaneous downloads, online gaming, and video streaming.


  • 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

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


The fastest Wi-Fi ever becomes more accessible via USB, going up to 433 Mbps on the clear 5 GHz 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 433 Mbps at 5 GHz, 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 / 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.

Smallest 802.11ac adapter is an easy, 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.

System Requirements

A Computer Running:

  • Windows® 8.1, 8, 7, Vista® or XP
  • Mac OS X 10.4 or higher
  • Linux
  • Ubuntu


Network Standard IEEE 802.11ac
Interface USB 2.0
Antenna 2x Internal Antennas w/ 4.56dBi gain
Operating Frequency Dual Band 2.4 / 5GHz
Product Segment AC600 performance; 150 + 433Mbps
Data Rate 802.11ac: up to 433Mbps
802.11n: up to 150Mbps
Security 64-bit WEP, 128-bit WEP, WPA2-PSK, WPA-PSK, WPA-Enterprise, WPA2-Enterprise, Radius with 802.1x, WPS support
Protocols IEEE 802.11a, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.11ac, IPv4, IPv6
Dimensions 31 x 16 x 8.6mm
Weight 4g (0.15 oz)