Cisco C3850-NM-4-1G 4-Port 1GE SFP Network Module for Catalyst 3850 Series
Expand your Cisco Catalyst 3850 switch with this fully refurbished and tested C3850-NM-4-1G network module. This 4-port Gigabit Ethernet SFP expansion module delivers reliable uplink connectivity for enterprise campus, branch office, and data center deployments — at a fraction of the cost of new.
Key Specifications
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Part Number: C3850-NM-4-1G
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Ports: 4 x 1 Gigabit Ethernet SFP uplink ports
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Forwarding Rate: Up to 70 Mpps (Layer 2 and Layer 3)
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Aggregate Bandwidth: 4 Gbps line-rate across all ports
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Form Factor: Hot-swappable plug-in module
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Compatibility: All Cisco Catalyst 3850 24-port and 48-port switches with modular uplink bays
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Supported Technologies: StackWise-480, QoS, EnergyWise, Cisco UADP ASIC
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SFP Support: Any combination of standard 1G SFP transceivers (Cisco and compatible)
Why Buy from Reef Telecom?
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Industry-Leading 10-Year Warranty — the longest in the refurbished telecom industry
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Free Shipping on orders over $300
- Every unit professionally inspected, tested, and certified before shipping
- Trusted by enterprise IT teams and resellers nationwide
The C3850-NM-4-1G is ideal for organizations running Cisco Catalyst 3850 series switches (e.g., WS-C3850-24T, WS-C3850-48P) that need flexible 1GE fiber uplinks without upgrading to 10G. Perfect for campus aggregation, branch office convergence, and phased network upgrades.
