Add dual gigabit ethernet ports to a client server or workstation through a pci express slot the st2000spexi pci express dual port gigabit network card lets you add two gigabit ethernet ports to a desktop computer through a single four lane x4 or higher pci express slot each port is fully compatible with ieee 8023uab standards for 101001000 mbps auto negotiation this 2 port gbe network card is based on the high performance intel i350 chipset which offers several advanced driver