Lightning fast speed: upgrade your Wi-Fi Card to 1200Mbps Wi-Fi speeds%ocs%More stable performance: heat sink technology distributes heat away from core components to improve reliability and performance; Built for high-performance computing, such as online gaming and 4K Ultra HD video streaming%ocs%Ultimate range: increased wireless range with 2x external antennas to ensure a greater range of Wi-Fi connection and stability. Detachable antennas%ocs%Compatibility: Supports Windows 10 Please upgrade to 190108 insider preview build/ 8.1/ 8/ 7/ XP%ocs%Industry Leading Support: 2-year warranty and free 24/7 technical support