Cisco Catalyst 4000 Series switches extend control from the backbone to the network edge with intelligent network services including advanced quality of service (QoS), scalable performance, comprehensive security, and simple manageability. The modular architecture, media flexibility, and expandability of the Cisco Catalyst 4000 Series enable a longer deployment life in converged networks.
Please let us know if you don't see what you are looking for, we may be able to locate it for you!