The Cisco Catalyst 6500 Series Network Analysis Module (NAM-3) provides unparalleled network and application visibility to simplify operational manageability of network resources in multi-Gigabit Ethernet enterprise campus, data center, and WAN deployments. It empowers you to optimize network resources and deliver consistent application performance to help ensure that the network performs to the rigorous demands of the business. And, when there's a problem, the Cisco NAM-3 can help you find it fast, reducing the time it takes to resolve it from days to just minutes. Expansion Module is the single answer to all your desired and specified application execution and expansion needs With 10/100/1000Base-T technology, get up to 1000Mbps data transfer rate over twisted pair cable Up to 10x faster than standard Ethernet connection and provides high-performance Twisted Pair media support for a dependable and productive connectivity Wide Area Network expansion module makes it possible to communicate internally faster and more efficiently