The TP-LINK TL-WN781ND is designed to provide end-to-end wireless performance from the server or headend to the PCI Express card in the workstation, via the switch. Because of its compatibility with PCI Express x1, x2, x8, or x16 slots, the TL-WN781ND Lite N Wireless PCI Express (x1) adapter offers greater compatibility. Compared to traditional PCI network cards, it provides more bandwidth, reliability and functionality, allowing you to enjoy a fast and advanced connection, suitable for download, IP telephony and video streaming.