**Used/Refurbished** Cisco Catalyst WS-4500X-24X-ES 16 Port 10G Ethernet Switch w/ 8 x 10 Gigabit Ethernet Port Uplink ModuleCisco Catalyst 4500 X Series WS 4500X 24X ES What is included 16 x 10 Gigabit Ethernet Port Switch with Optional Uplink Module Slot 8 x 10 Gigabit Ethernet Port Uplink Module Front to Back Airflow Redundant Fan and Power Supply Cisco Catalyst 4500 X Series Switch (Figure 1) is a fixed aggregation switch that delivers best in class scalability, simplified network virtualization, and integrated network services for space constrained environments in