Manufacturer: Cisco Systems, Inc. Manufacturer Part Number: C9200-NM-4G. Brand Name: Cisco. Product Line: Catalyst. Product Model: C9200-NM-4G. Product Name: 4 x 1GE Network Module. Product Type: Expansion Module. [Technical Information] Application/Usage: Data Networking. [Media & Performance] Ethernet Technology: Gigabit Ethernet. Network Technology: 1000Base-X. [I/O Expansions] Number of Total Expansion Slots: 4. [Miscellaneous] Compatibility: Cisco Catalyst 9200 Series Switches. [Warranty] Limited Warranty: Lifetime.