Cisco C3KX-NM-10G Catalyst 3750-X 3560-X Service Module Two 10GbE SFP+
Cisco Catalyst C3KX-NM-10G 10G Service Module for the Cisco Catalyst 3750-X and 3560-X switches. Cisco C3KX-NM-10G Two 10GbE SFP+ ports network module with four physical ports with two SFP+ and two regular SFP ports.