StarTech.com Dual Port Gigabit PCI Express Server Network Adapter Card - PCIe NICThe ST1000SPEXD4 PCI Express Dual Port Gigabit Network Card lets you add two gigabit Ethernet ports to a client, server or workstation through a single PCIe slot. Each port provides 10 100 1000 Mbps capable Ethernet and is fully compatible with IEEE 802. 3 u ab standards. Suitable for any standard PCI Express enabled system, the 2 port Ethernet card supports full duplex flow control for maximum data transfer speeds of up to 2000 Mbps an ideal 2 port