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Cisco
Cisco C3850-NM-4-1G Catalyst 3850 4-Port 1G Network Module
MPN: C3850-NM-4-1G
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Lifetime
Warranty
ISO 9001
Certified Testing
R2v3
Responsible Refurb
25+
Years
5K+
Customers
ISO
Certified
✓
Tested
Every WhaleyComm unit is professionally tested, reset to factory defaults, and certified by our in-house engineers — the same standard trusted by 5,000+ organisations across 25 years. Not a refurb marketplace. A certified lifecycle partner.
Tested to factory specification. Backed by 25 years of enterprise trust.
The Cisco C3850-NM-4-1G is a genuine Cisco network expansion module designed for the Catalyst 3850 Series switches. This module adds four 1 Gigabit Ethernet uplink ports, providing flexible and scalable network connectivity for enterprise environments. Whether you're expanding an existing Catalyst 3850 deployment or building a new high-availability network stack, this module delivers reliable, high-performance connectivity straight from the industry leader in networking.Technical Specifications
Model / MPN
C3850-NM-4-1G
Brand
Cisco
Product Type
Module
Condition
New
Manufacturer Part Number (MPN)
C3850-NM-4-1G
Vendor / Brand
Cisco
Compatible Platform
Cisco Catalyst 3850 Series Switches
Ports
4 x 1G Ethernet Uplink Ports
Ideal Use Cases
Enterprise Infrastructure
Enterprise-grade hardware at significant savings versus new OEM pricing.
Redundancy and Spares Pool
Fast replacement inventory for critical network infrastructure.
What's Included
✔ Cisco C3850-NM-4-1G New (1x)
✔ WhaleyComm ISO 9001-certified inspection certificate
✔ WhaleyComm Lifetime Warranty
Lifetime Warranty — No Time Limits. No Questions.
Every WhaleyComm unit ships with a Lifetime Warranty. If it fails under normal operating conditions at any point, we replace it. No time limits, no expiration, no hidden conditions. Backed by 25 years and 5,000+ satisfied customers.
Compatibility Details
Review supported optics, cables, software, management protocols, and environment-specific compatibility guidance.
✓
Compatible With
✓
Cisco Catalyst 3850-24T
✓
Cisco Catalyst 3850-48T
✓
Cisco Catalyst 3850-24P
✓
Cisco Catalyst 3850-48P
✓
Cisco Catalyst 3850-48F
✓
Other Catalyst 3850 Series models supporting NM slot
Shipping & Returns
Clear fulfilment, tracking, return, warranty, and support information for enterprise hardware orders.
Shipping
Orders ship within 1-2 business days from our facility in Texas. Overnight and expedited shipping available at checkout.
Returns
Contact our support team for any DOA or warranty issues. Every WhaleyComm unit is covered by a Lifetime Warranty — we make it right, fast.
Contact
+1 214 607-4800 | Mon-Fri 8am-6pm CST
Frequently Asked Questions
Product-specific answers about compatibility, testing, warranty, fulfilment, and purchase confidence.
This unit is sold as New and has never been deployed. It ships in original or equivalent packaging with a WhaleyComm Lifetime Warranty.
Yes. Every WhaleyComm unit ships with a Lifetime Warranty — no time limits, no questions asked. If your Cisco C3850-NM-4-1G fails under normal operating conditions at any point, we replace it at no cost.
Every unit goes through an ISO 9001-certified testing process: full power-on diagnostics, port-by-port functionality testing, firmware verification, factory reset, and final inspection. Backed by 25 years and 5,000+ enterprise customers.
Cisco C3850-NM-4-1G Catalyst 3850 4-Port 1G Network Module
$39.95
Cisco
Cisco C3850-NM-4-1G Catalyst 3850 4-Port 1G Network Module
MPN: C3850-NM-4-1G
$39.95
In Stock — Ships Same Day
