Cisco NM-4T (4-Port Cisco Network Module) Cisco Serial 4T Network Module

Cisco NM-4A/S Network Module

Cisco Serial 8A/S Module Cisco NM-8A/S Cisco 8-Port Serial Network Module

Cisco HWIC-1T Cisco Serial High-Speed WAN Interface Card

Cisco EHWIC-1GE-SFP-CU Cisco Copper & SFP High-Speed Module Cisco 73-13295-01

Cisco WIC-2A/S (2-Port Async/Sync Serial WAN Interface Card)

Cisco NM-1E 1-Port 10Mb Ethernet Network Module

Cisco C3850-NM-2-10G with 2x SFP and 2x SFP+ Ports Cisco 3850-NM-2-10G Module