The Lenovo Intel I350-T4 4-Port Ethernet expansion card is a reliable and cost-effective solution to add four powerful Ethernet ports to your PC via a PCI Express slot. The expansion card features an Intel I350 chipset designed to deliver the performance, efficiency, and advanced features you need for reliable network connections to your Think desktop or workstation. The quad-port network card facilitates access to multiple networks and provides four redundant, independent Gigabit Ethernet ports.