Cisco C3850-NM-4-10G 4 Port Network Exp.Module for 3850 C3850NM410G

Description:

The Cisco C3850-NM-4-10G Network Expansion Module is a 4-port 10 Gigabit uplink module used in Cisco Catalyst 3850 Series switches to provide high-speed fiber uplink connectivity within enterprise networking systems. It enables four 10 Gigabit SFP+ ports that support high-bandwidth connections between access, aggregation, and core network layers in scalable switch infrastructures. Commonly installed in enterprise campus networks, data center access layers, and high-performance switching environments, this module enhances uplink capacity and network throughput. Network administrators, maintenance teams, and system integrators use this expansion module for upgrading uplink bandwidth, replacing failed modules, or expanding connectivity in Cisco Catalyst 3850 switch deployments.

Applications:

The Cisco C3850-NM-4-10G expansion module is used in enterprise network infrastructures to provide high-speed 10 Gigabit fiber uplink connectivity for Cisco Catalyst 3850 switches. It is commonly deployed in campus access networks, data center aggregation layers, and enterprise switching environments where high-bandwidth links are required to support large volumes of network traffic. Organizations install this module to improve switch uplink capacity and maintain reliable communication between network layers.

Technical Specifications:

• Brand: Cisco
• Manufacturer Part Number (MPN): C3850-NM-4-10G
• Alternate Part Number: C3850NM410G
• Product Type: Network Expansion Module
• Series: Cisco Catalyst 3850 Series
• Total Ports: 4 × 10 Gigabit Ethernet SFP+ ports
• Interface Type: SFP+ fiber uplink interfaces
• Compatible Devices: Cisco Catalyst 3850 Series switches
• Maximum Data Rate: 10 Gbps per port
• Installation Type: Modular uplink expansion slot
• Supported Media: SFP+ optical transceivers and compatible fiber modules
• Function: Provides high-speed uplink connectivity for enterprise switching networks
• Form Factor: Internal switch expansion module

Common Replacements:

• Cisco C3850-NM-2-10G
• Cisco C9300-NM-4G
• Cisco C9300-NM-8X