C9300 - NM - 4G - Catalyst 9300 Series Modules Cards C9300-NM-4G is the support optional network modules for uplink ports of the Cisco Catalyst 9300 Series Switches. The default switch configuration does not include the network module. Part Number C9300-NM-4G Product Description 9300 Series 4x 1G Network Module Supported Devices Cisco Catalyst 9300 Series Switch Product Code C9300-NM-4G C9300-NM-2Q Product Description 9300 Series 4x 1G Network Module Catalyst 9300 2 x 40GE Network Module Supported Devices Cisco Catalyst 9300 Series Switch Cisco Catalyst 9300 Series Switch