TP-Link AC1200 Wireless High Gain Dual Band USB Adapter (Archer T4UH) System Requirements:Windows XP, Windows 7, Windows 8, Windows 8.1, Mac OS X 10.7 - 10.10, Linux 1200Mbps Wi-Fi speeds with simultaneous 5GHz (867Mbps) and 2.4GHz (300Mbps) bands, ideal for gaming online and HD video streaming Connects to PCs via USB 3.0, Compact design and 3ft. cable for easy desktop placement Upgrades PCs to 802.11ac, the latest, most powerful Wi-Fi technology,Two high-gain external antennas maximize coverage WPS button for easy wireless security encryption, Industry-leading 2-year warranty