StarTech.com PCI Express AC1200 Dual Band Wireless-AC Network Adapter - PCIe 802.11ac WiFi CardThe PEX867WAC22 PCI Express AC1200 Wireless Network Adapter lets you add dual band Wireless AC connectivity to a desktop computer through a PCIe slot. With increased demand on network resources, this Wireless AC adapter gives you exceptional speed and range for your office or home wireless network when paired with an 802. 11ac router. This dual band WiFi adapter supports maximum data rates of up to 867 Mbps on the 5GHz band (3x the speed of Wireless