The Lenovo Intel I350-T4 4-Port Ethernet Expansion Card is a dependable and cost-effective solution to add four high-performance Ethernet ports to your PC through one PCI Express slot. The expansion card features an Intel I350 chipset, designed to deliver the power, performance and enhanced capabilities you need for reliable network connections to your Think desktop or workstation. The quad-port network card makes it easy to access multiple networks and gives you four redundant, independent Gigabit Ethernet ports.