TP-Link Archer T4E AC1200 Wireless Dual Band PCI Express Adapter – 2 Dual Band Detachable Antennas – IEEE 802.11ac/n/a 5GHz, IEEE 802.11b/g/n 2.4GHz – Up to 867Mbps at 5GHz, 300Mbps at 2.4GHz – PCI Express Interface – Compatible with: Windows 10/8.1/8/7/XP (32/64bit) – 3 Years Limited Warranty