ASUS 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. Its specially-designed internal antenna provides wireless speed up to up to 150 Mbps at 2.4 GHz and 433 Mbps at 5 GHz. It supports multiple OS 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. 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.