Add dual Gigabit Ethernet ports to a client, server or workstation through a PCI Express slot. The ST1000SPEXD3 PCI Express Dual Port Gigabit Server Network Adapter Card (PCIe NIC) lets you add two gigabit Ethernet ports to a client, server or workstation through a single PCI Express slot. Each port provides 10/100/1000 Mbps capable Ethernet & is fully compatible with IEEE 802.3/u/ab standards.