Integrated Intel 82571EB Controller The Intel 82571EB Gigabit Ethernet controller is designed for high performance/low memory latency. This device is optimized to connect to MCH (Memory Controller Hub) using four PCI Express lanes. Each port is equipped with a 48KB high-capacity on-chip packet buffer to maintain superior performance.Ideal for servers and other applications that require performance. * Low Profile Bracket Included Please note that some sellers may not come with their products.