TP-Link N600 Wireless Dual Band PCI-Express Adapter (TL-WDN3800) Achieves a maximum theoretical throughput of up to 300Mbps Supports dual-band, 2.4GHz or 5GHz Seamlessly compatible with 802.11a/b/g/n products Experience smoother video streaming and online gaming by choosing the clearer 5GHz band for wireless connections Supports 64/128 WEP, WPA /WPA2/WPA-PSK/WPA2-PSK(TKIP/AES), supports IEEE 802.1X Supports Windows XP 32/64bit, Vista 32/64bit, Windows 7 32/64bit, Windows 8 32/64bit Supports ad-hoc and infrastructure mode Bundled utility provides quick & hassle-free installation