As Cisco's premier modular multilayer switch, the Catalyst 6500 series delivers secure, converged services from the wiring closet to the core, from the datacenter to the WAN edge. The Supervisor Engine 720 is part of the Catalyst 6500's third generation suite of modules intended to continue lowering the total cost of ownership (TCO).This model comes with 8-Port Gigabit Ethernet Switching Module (WS-X6408-GBIC).