SIENOC AC600 Wireless Dual Band 2.4G/5Ghz With 433&150Mbps USB Wifi Dongle Adapter Supports 802.11ac standard- The next generation of Wi-Fi Backward compatible with 802.11a/b/g/n products Ultra-fast AC600 (433+150Mbps) wireless speed with 802.11ac Dual Band connections for lag-free HD video streaming and gaming Supports Windows 8.1/8/7/XP 32/64bit