The 6500 series is designed to address the needs for secure converged network services in the enterprise and Service Provider networks.  Highly scalable and with excellent price/performance, the 6500 series delivers a wide range of intelligent switching options.  With the use of Cisco's modular slots, a variety of switching soluitions can be used.

Models:

6503 - has three modular slots

6506 - has six modular slots

6509 - has nine modular slots

6513 - has thirteen modular slots