The HP A5120 SI Switch series are intelligent,manageable Gigabit Ethernet switches that provide high performance,high-density port access,and simplified installation to maximize the value of your network infrastructure investment. They are typically deployed at the access layer in enterprise networks that require Gigabit Ethernet to the desktop or at the distribution layer in metropolitan area networks (MANs). Wire-speed forwarding delivers optimal throughput and the bandwidth necessary for mission-critical data and high-speed communications.