The Broadcom NetXtreme Gigabit Ethernet Adapters are a family of high performance PCI Express adapters. The adapters are available with either two ports or four ports and are supported on ThinkSystem and System x servers.Did you know? The NetXtreme Quad Port Ethernet Adapter is an ideal way to implement a virtualization solution using your existing Gigabit Ethernet network. With four copper-based Gigabit ports on a single PCI Express 2.0 x4 interface, the adapter provides the density and capacity you need to support large numbers of virtualized systems on one server.