Lenovo ThinkSystem NetXtreme PCIe 1Gb 4-Port RJ45 Ethernet Adapter By Broadcom - PCI Express 2.0 x4 - 4 Port(s) - 4 - Twisted Pair - 1000Base-T - Plug-in Card

With the 1000Base-T technology get up to 1000Mbps data transfer rate over the twisted pair cable This 2000 MB/s bandwidth PCI Express 2.0 x4 adapter ensures easy connectivity and plug-in form-factor for affordable and reliable Ethernet network With quad ports on a single card, save valuable expansion slots on your system for other purposes Supports cost-efficient twisted pair cables for speedy data transfer up to 100 meters Enjoy the super fast Gigabit Ethernet connection by inserting this Gigabit Ethernet card into your computer