Check the listing for details. TP-Link Wireless N300 Adapter - PCI-E - TL-WN881ND. Condition: New. Listed at 19.50 USD. TP-Link Wireless N300 Adapter - PCI-E - TL-WN881ND - Wireless N speed up to 300Mbps makes it ideal for video streaming, online gaming and Internet calls- 2T2R MIMO delivers greater throughput at range versus conventional 1T1R- Supports Windows 8/7/XP/Vista- Easily setup a highly secured wireless link with WPS- Supports ad-hoc and infrastructure mode- Bundled utility provides quick & hassle free installation- Seamlessly compatible with 802.11n/b/g products- Industry-leading 2-year warranty and unlimited 24/7 technical support- 2T2R MIMOdelivers greater throughput at range versus conventional 1T1R- Supports 64/128 WEP, WPA /WPA2/WPA-PSK/WPA2-PSK(TKIP/AES), supports IEEE 802.1X- Supports Windows 7 32/64bit,??Windows XP 32/64bit, Vista 32/64bit- Compatibility: Windows (7/8/8.1/10) - Linux Kernal (2.6.24~4.1)- Fast Speed:Wireless N speed up to 300Mbps- MIMO Technology: 2T2R MIMO delivers greater throughput at range versus conventional 1T1R- Industry Leading Support: 2-year warranty and free 24/7 technical support; J.D. Power Ranked TP-Link "Highest in Customer Satisfaction for Wireless Routers in 2017"- Easy setup: setup a highly secured wireless link with WPS;bundled utility provides quick & hassle free installation- Compatibility: Seamlessly compatible with 802.11n/b/g products; Supports Windows 8/7/XP/Vista