United States$5,000,000+
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C
Colin Mercer
5
Added extra gigabit uplinks easily.
C3850-NM-4-1G
CATALYST 3850 4X1GE NETWORK MODULE
FEATURED DEAL
Name:
C3850-NM-4-1G
- Description:
- CATALYST 3850 4X1GE NETWORK MODULE
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 818250252380
- Condition:
- Warranty:
- 3
- List Price:
$925.00
- Price:
$197.0078.7% off
Quantity:
1
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C3850-NM-4-1G Overview
C3850-NM-4-1G is a dedicated network module designed specifically for the Cisco Catalyst 3850 Series switches. This module provides four 1-Gigabit Ethernet ports with RJ-45 connectors, offering reliable, high-speed connectivity for expanding network capacity in enterprise and data center environments. Built to support standard TCP/IP protocols, it delivers the essential performance needed for mission-critical network applications.
Engineered with a modular form factor, the C3850-NM-4-1G integrates seamlessly into compatible Cisco platforms, enabling streamlined installation and upgrade pathways. Its 1Gbps data rate and industry-standard features like auto-negotiation and jumbo frame support make it an ideal choice for organizations looking to enhance connectivity without compromising system stability or performance.
C3850-NM-4-1G price is $197.00, a 78.7% saving from the Cisco list price of $925.00. C3850-NM-4-1G is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for C3850-NM-4-1G for additional pricing. Browse the full Cisco Catalyst 3850 Network Module series or explore all Cisco products.
C3850-NM-4-1G Specifications
- Product Type
- Network Module
- Module Type
- Network Module
- Data Rate
- 1Gbps
- Connector Type
- RJ-45
- Supported Protocols
- TCP/IP
- Form Factor
- Modular
- Operating Temperature
- 0 to 45°C
- Storage Temperature
- N/A
- Input Voltage
- N/A
- Compatibility
- Cisco Catalyst 3850 Series Switches
- Max Speed
- 1Gbps
- Supported Features
- Auto-negotiation, Jumbo Frames
- Power Consumption
- N/A
- Interface Ports
- Ethernet
- Expansion Slots
- N/A
- Product Name
- Cisco Catalyst 3850 4-port 1-Gigabit Ethernet Network Module
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
C3850-NM-4-1G Use Case
Enterprise Campus Uplink Aggregation with C3850-NM-4-1G
In a large corporate campus environment, the IT team installs the C3850-NM-4-1G 4X1GE Network Module on Catalyst 3850 aggregation switches to provision four dedicated 1 Gigabit fiber uplinks into the distribution layer. This scalable uplink configuration delivers 4 Gbps of redundant bandwidth with link aggregation, ensuring seamless campus-wide connectivity, minimized latency and non-disruptive capacity expansion.
Branch Office Converged Voice & Data Infrastructure
A multi-site retail chain integrates the C3850-NM-4-1G module into its Catalyst 3850 stackable switches to converge VoIP, POS and guest-Wi-Fi traffic over four separate 1 Gigabit uplinks to the MPLS WAN. This converged design simplifies management through a single control plane, enforces QoS policies for crystal-clear voice calls and achieves link redundancy for up to 99.99% uptime.
Industrial IoT Edge Segmentation and Security
In a smart manufacturing facility, network engineers deploy the C3850-NM-4-1G on Catalyst 3850 edge switches to isolate high-density IoT sensors from corporate IT traffic via four independent 1 Gigabit fiber connections to the core. This segmented topology enforces TrustSec policies at the edge, delivers predictable performance for real-time telemetry and strengthens security posture against lateral threats.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 C3850-NM-4-1G |  C3850-NM-8-10G |  C3850-NM-2-10G |  C3850-NM-4-10G | |
|---|---|---|---|---|
| Product Type | Network Module | Network Module / Network Card | Network Module | Network Module / Network Card |
| Module Type | Network Module | SFP+ | Ethernet | Network Module |
| Data Rate | 1Gbps | 10Gbps | 10Gbps | 10Gbps |
| Connector Type | RJ-45 | SFP+ | SFP+ | SFP+ |
| Supported Protocols | TCP/IP | TCP/IP | TCP/IP | TCP/IP |
| Form Factor | Modular | Modular | Modular | Modular |
| Operating Temperature | 0 to 45°C | 0 to 50°C | 0 to 50°C | 0 to 50°C |
| Storage Temperature | N/A | -40 to 70°C | N/A | -40 to 70°C |
| Input Voltage | N/A | 3.3V | N/A | N/A |
| Compatibility | Cisco Catalyst 3850 Series Switches | Cisco | Cisco Catalyst 3850 Series | Cisco |
| Max Speed | 1Gbps | 10Gbps | 10Gbps | 10Gbps |
| Supported Features | Auto-negotiation, Jumbo Frames | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation / Jumbo Frames / QoS |
| Power Consumption | N/A | N/A | N/A | N/A |
| Interface Ports | Ethernet | SFP+ | SFP+ | SFP+ |
| Expansion Slots | N/A | N/A | NIM | N/A |
| Product Name | Cisco Catalyst 3850 4-port 1-Gigabit Ethernet Network Module | Cisco Catalyst 3850 Network Module 8x10G (C3850-NM-8-10G) | Cisco Catalyst 3850 C3850-NM-2-10G Network Module | Cisco C3850-NM-4-10G |
| Height | N/A | N/A | N/A | N/A |
| Width | N/A | N/A | N/A | N/A |
| Depth | N/A | N/A | N/A | N/A |
| Weight | N/A | N/A | N/A | N/A |
Reviews & Ratings
M
Mishal Khan
4
Plug and play installation.
D
Diego Alvarez
5
Stable connectivity.
Y
Yasir Amin
3
Good expansion option.
A
Angela Boyd
4
Works as expected.
Questions & Answers
What is the Cisco Catalyst 3850 4x1GE Network Module (SKU: C3850-NM-4-1G)?
The Cisco Catalyst 3850 4x1GE Network Module (SKU: C3850-NM-4-1G) is a high-performance uplink module that adds four 1 Gigabit Ethernet SFP ports to Catalyst 3850 Series switches.
Which Catalyst 3850 switches support the C3850-NM-4-1G module?
The C3850-NM-4-1G module is supported in all Cisco Catalyst 3850 24-port and 48-port fixed-configuration switches with modular uplink bays.
How many Ethernet ports does the Catalyst 3850 4x1GE Network Module provide?
The Catalyst 3850 4x1GE Network Module provides four 1 Gigabit Ethernet SFP uplink ports for fiber or copper connectivity.
Which SFP transceivers are compatible with the C3850-NM-4-1G module?
The module is compatible with Cisco SFP transceivers such as GLC-SX-MMD, GLC-LH-SMD, GLC-TE, and third-party MSA-compliant SFPs.