Wireless PCI Express WLAN Wi-Fi Dual-band (2.4 GHz / 5 GHz) Internal Wireless-AC750 Dual-band PCI-E Adapter- High-speed wireless Internet connectivity- Wireless-AC dual-band for lag-free streaming and high performance network- Supports WEP, WPA, and WPA2 encryption methods for enhanced securityHigh-speed wireless Internet connectivityThe ASUS PCE-AC51 Wireless-AC PCI Express Adapter provides superior Wi-Fi performance for server backbone and switching infrastructure applications, as well as mainstream desktops and notebooks. Using the convenience of a standard PCI Express connector, it delivers wide compatibility, fitting any x1, x2, x8, or x16 slot. Compared with standard PCI network cards, it offers increased bandwidth, reliability and functionality, allowing you to enjoy faster and more stable connections. Downloading, VoIP, video streaming, and online gaming all benefit from its high-speed design and powerful antenna, which ensure long range wireless coverage. The friendly user int