STARTECH 4-Port PCIe Gigabit Network Adapter Card - TAA Add four independent Gigabit RJ45 ports to connect to multiple networks for high-bandwidth workstations and servers Realtek RTL8111H chipset for reliable performance Supports full-duplex flow control Fully compliant with IEEE 802.3, IEEE 802.3u, IEEE 802.3ab networks Supports autonegotiation with next-page capacity