Niagara 4540 - 100G High-Density Open Visibility Packet Broker by Niagara Networks optimizes throughput, performance, and network port density in a compact form factor. It is ideal for well-defined network topologies, limited rack space, and when external passive Taps, span ports, and appliances are aggregated at the Packet Broker. Niagara 4540 - 100G High-Density Open Visibility Packet Broker offers 1, 10, 40, and 100 Gigabit connectivity, optimizing traffic flows for Intrusion Detection, Intrusion Prevention, Analytics, and other network tools.