Cisco Catalyst 6513 13-slot chassis, the latest addition to the Cisco chassis family, is ideally suited for high-performance, high-port density Fast Ethernet and Gigabit Ethernet aggregations in all parts of the network including access, distribution, and backbone layers as well as the server farm and data center environments. With up to 12 payload slots available, the 13-slot chassis offers industry-leading 10/100BaseTX Fast Ethernet and Gigabit Ethernet port densities while providing unsurpassed levels of network resilience.