Cisco Catalyst 3850 Series Module C3850-NM-8-10G Overview
Cisco Catalyst 3850 Series Module C3850-NM-8-10G is a genuine modular capacity expansion product from Cisco, a global name in networking whose platforms are used by enterprises, service providers and data-center operators alike. Belonging to the Cisco Catalyst 3850 Series family, the C3850-NM-8-10G unit is built to the original factory specification, so it integrates with existing Cisco deployments predictably and behaves exactly as the platform documentation describes. In the network, it is installed into a compatible chassis slot, where it works alongside the supervisor and line cards to extend the platform’s capabilities.
From a specification standpoint, it offers 8 ports for client, server or uplink connectivity. These are the original factory figures for this model, giving administrators a clear picture of what the unit can deliver before it enters service. Standard mounting, cabling and management practices apply, so deployment follows the same procedures as other Cisco hardware already running in the environment.
Typical deployments include adding ports and performance to existing chassis systems, modernizing legacy platforms with compatible line cards, and mixing copper, fiber and high-speed uplinks in one chassis. Organizations commonly source it for refresh programs, capacity expansion and spares management, keeping a tested unit on hand so outages stay short and replacements are predictable. The factory detail for this unit reads: “Cisco 3850 Series Network Module C3850-NM-8-10G 8 x 10GE Network Module”. This makes it a practical choice when original-spec hardware is required at a predictable cost.
Every unit at LinkNewNet is inspected and tested before dispatch, and stock is graded, cleaned and verified for correct operation, including port status, console access and firmware state. Our warranty coverage and responsive technical support protect the purchase after it arrives, and our team can confirm revision levels and software compatibility before you order. For volume requirements we also offer configuration checks and staged delivery options.
Contact our sales team for current availability, lead time and shipping options for the C3850-NM-8-10G. We respond quickly with stock status and a firm quote, so you can plan the refresh or expansion with confidence.
Key Specifications
Applications
Capacity Expansion
Add ports and performance to existing chassis.
Upgrade Path
Modernize aging platforms with compatible modules.
Flexible I/O
Mix copper, fiber and high-speed uplinks.
Buying a Pre-Owned C3850-NM-8-10G
Verify the unit is tested, firmware confirmed, and condition documented. Every unit is fully tested and warranty covered. Contact our team for current stock and availability.
| C3850-NM-8-10G | |
| Product list | |
| Product code | C3850-NM-8-10G |
| Power cable | No |
| Button | No |
| Product parameters | |
| Ports | 8 |
| Ports Details | SFP (mini-GBIC) SFP+ |
| Application | Data Networking Optical Network |
| Introduction | C3850-NM-8-10G is the powerful 8 x Gigabit Ethernet/8 x 10 Gigabit Ethernet network module designed for the Catalyst 3850 Series switches. The SFP+ interface on the C3850-NM-8-10G supports both 10 Gigabit Ethernet and Gigabit Ethernet ports, allowing customers to upgrade to 10 Gigabit Ethernet when business demands change without having to do a comprehensive upgrade of the access switch. This is an important feature in investment protection. Note: the C3850-NM-8-10G module is supported on the 48-port models only. |
| Apply to | Cisco Catalyst 3850 Series Switches |
| Physical specifications | |
| Width | 12.4 in |
| Height | 4.4 in |
| Depth | 7.2 in |
| Weight | 3.3 lbs |
| Environmental Parameters | |
| Min Operating Temperature | 32 °F |
| Max Operating Temperature | 104 °F |
| Humidity Range Operating | 10 - 90% (non-condensing) |
C3850-NM-8-10G - Module Notes
This C3850-NM-8-10G line card/module variant is designed for the chassis slot type and fabric requirements of its platform family. Verify the slot compatibility, supported forwarding modes, and firmware version required for this specific SKU before ordering.
For capacity expansion, confirm the port density, uplink type, and any software feature dependencies of this module. Our team can verify revision levels and platform compatibility before dispatch.
Each C3850-NM-8-10G module is inspected, tested and verified for correct operation before leaving our facility, including port status, management access and firmware state.
C3850-NM-8-10G - Cisco Series Notes
This listing is part of the Cisco enterprise networking product family, sourced and tested by LinkNewNet for enterprise deployment. Cisco module/line card expands the capability of a chassis platform, adding interface density, forwarding capacity, or service features. It is installed in a matching chassis slot and managed as part of the parent platform.
Deployment guidance: When planning this C3850-NM-8-10G unit into a network, confirm the software image (IOS/IOS-XE/NX-OS) required, the power and cooling profile, and the upstream/downstream interface types that match your existing infrastructure. For a like-for-like refresh, match the feature set of the units already in service so management and automation behave consistently.
Our Cisco reconditioning process: Every pre-owned Cisco unit at LinkNewNet passes a documented reconditioning flow before dispatch - visual inspection, internal cleaning, firmware verification, port-by-port testing, and configuration reset to factory defaults. This ensures the unit you receive operates reliably and integrates cleanly with your existing Cisco management tools.
Related models in this family: AIR-LAP1142N-E-K9, A9K-750W-AC, ASR1000-ESP40, A9K-2X100GE-TR, ASR1000-6TGE. Compare specifications to confirm the right port density, feature set and uplink options for your deployment.
Model code: G = Gigabit Ethernet interface - this suffix indicates the feature set, power, or regulatory variant of the C3850-NM-8-10G, which affects software licensing and regional compliance.







