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. This product guide provides essential presales information to understand the NetXtreme GbE offerings and their key features, specifications, and compatibility. This guide is intended for technical specialists, sales specialists, sales engineers, IT architects, and other IT professionals who want to learn more about the adapters and consider their use in IT solutions.