PCIe Wi-Fi N LAN Adapter TP-LINK "TL-WN881ND", 300Mbps// 2T2R MIMO™ delivers greater throughput at range versus conventional 1T1REasily setup a highly secured wireless link with QSS software embedded Supports 64/128 WEP, WPA /WPA2/WPA-PSK/WPA2-PSK(TKIP/AES), supports IEEE 802.1XSupports Windows 8 32/64bit, Windows 7 32/64bit, Windows XP 32/64bit, Vista 32/64bitSupports ad-hoc and infrastructure modeBundled utility provides quick & hassle free installationSeamlessly compatible with 802.11n/b/g products