1.5X Faster WiFi. Even in Crowded Networks With WiFi 6 (802.11ax) technology. ASUS PCE-AX1800 delivers wireless speeds that are up to 1.5X faster than WiFi 5 (802.11ac) devices. A revolutionary combination of OFDMA and MU-MIMO technologies ensures the most efficient WiFi connection for your PC. PCE-AX1800 only supports PCI-Express x1 standard. please install the adapter in PCI-e x1 slot. Still Fast. Even In Crowded Network ASUS PCE-AX1800 pairs trusted MU-MIMO connectivity and innovative OFDMA technology to efficiently allocate bandwidth and communicate with multiple devices simultaneously. The upshot is smoother WiFi connections and the fastest attainable speeds for all devices . Disclaimer: MU-MIMO supported router and client required Instant Bluetooth Upgrade Faster Speed and better audio quality Slot ASUS PCE-AX1800 into your PC for an instant upgrade to the latest Bluetooth 5.2 technology. Bluetooth 5.2 not only allows to transfer data up to twice as fast as before. and with 4X the range. it also lengthens the battery. and improves the audio quality. The Latest WPA3 Network Security ASUS PCE-AX1800 comes with the latest WPA3 Wi-Fi security standard. providing your PC with an extra layer of protection against external attacks to give you added peace of mind.