Cisco Catalyst 3750-X, 3560-X 4-Port 10G Network Module, C3KX-NM-10G

Cisco Catalyst 2960 24 Port 100MB 24 Port PoE 4x SFP WS-C2960-24PC-L

Cisco C3KX-NM-10GT 2-Port 10GBase-T Network Module for Catalyst 3560-X 3750-X

Cisco C3KX-NM-10G Network Module for Catalyst 3560-X, 3750-X Series

Cisco Catalyst 2960-S 48 Port 1GB/PoE+ 4 PortSFP WS-C2960S-48FPS-L C2960S-STACK

Cisco WS-C3560g-48ps-s Catalyst 48-Port Gigabit + 4 T/SFP Switch *AS-IS No Boot*

Cisco Catalyst 3560 Series | 48 Port POE Switch

Cisco C3KX-NM-1G 4-Port Gigabit Module for 3750X/3560X Switch Models