The 9-slot Cisco Catalyst 6509 Enhanced Vertical Switch (6509-V-E) provides capabilities to support system bandwidth capacity (80 Gbps per slot) up to 1440 Gbps and enhanced cable management capabilities. It also provides front-to-back airflow that is optimized for hot and cold aisle designs in colocated data center and service provider deployments and is compliant with Network Equipment Building Standards (NEBS) deployments.