Wireless AC1200 DualBand PCIe Adapter- Compatible with IEEE 802.11b/802.11g/802.11n/802.11ac- Two 4.5 dbi external dipole antennas- Autosenses & Adjusts Speed to conditions for Maximum Performance- Fits any PCI Express slot - x1, x4, x8, x16- WPA/WPA2, WEP (64/128 bit) & WPS (PBC/PIN)- Drivers for Win7 & Win8