REFURBISHED
Cisco WS-X4920-GB-RJ45 Refurbished Module WhaleyComm
Cisco

Cisco WS-X4920-GB-RJ45 Catalyst 4900 20-Port Gigabit Ethernet RJ45 Module

MPN: WS-X4920-GB-RJ45
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$70.00
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+1 214 607-4800
Mon–Fri 8am–6pm CST · Enterprise sales team
🛡️
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 WS-X4920-GB-RJ45 is a high-performance 20-port Gigabit Ethernet RJ45 line card designed for use with the Cisco Catalyst 4900 Series switches. Purpose-built for enterprise-grade network deployments, this module delivers reliable, wire-speed Gigabit connectivity through standard copper RJ45 interfaces — making it an ideal solution for high-density access layer aggregation and data center environments.



This unit is offered in professionally refurbished condition by WhaleyComm, fully tested and validated to meet original Cisco factory specifications. Each module undergoes rigorous inspection and functional testing before shipment, ensuring you receive enterprise-grade performance at a significant cost savings over new hardware.



Key Features



  • 20 x Gigabit Ethernet RJ45 copper ports for high-density connectivity

  • Wire-speed performance for demanding enterprise and data center workloads

  • Plug-and-play compatibility with Cisco Catalyst 4900 Series switches

  • Supports standard Cat5e/Cat6 cabling infrastructure

  • Fully refurbished and tested to original Cisco factory specifications

  • Ideal for network expansion, upgrades, and replacement deployments

Technical Specifications
Model / MPN
WS-X4920-GB-RJ45
Brand
Cisco
Product Type
Module
Condition
Refurbished
Manufacturer / Vendor
Cisco
MPN (Manufacturer Part Number)
WS-X4920-GB-RJ45
Interface
20 x 1G RJ45 Copper Gigabit Ethernet Ports
Compatible Platform
Cisco Catalyst 4900 Series
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 WS-X4920-GB-RJ45 Refurbished (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.
Platform Compatibility
Platform Cisco ISR or ASR Series — verify chassis and slot compatibility
✓
Software: Cisco IOS XE or IOS XR — verify supported release
✓
Note: Contact WhaleyComm at +1 214 607-4800 for guidance
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Shipping & Returns
Clear fulfilment, tracking, return, warranty, and support information for enterprise hardware orders.
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Shipping
Orders ship within 1-2 business days from our facility in Texas. Overnight and expedited shipping available at checkout.
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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.
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Contact
+1 214 607-4800 | Mon-Fri 8am-6pm CST
?
Frequently Asked Questions
Product-specific answers about compatibility, testing, warranty, fulfilment, and purchase confidence.
Refurbished means this Cisco WS-X4920-GB-RJ45 was previously deployed and has since been professionally inspected, cleaned, tested, and verified to meet original factory specifications by WhaleyComm's in-house engineers. It performs identically to a new unit at a significantly lower cost.
Yes. Every WhaleyComm unit ships with a Lifetime Warranty — no time limits, no questions asked. If your Cisco WS-X4920-GB-RJ45 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 WS-X4920-GB-RJ45 Catalyst 4900 20-Port Gigabit Ethernet RJ45 Module
$70.00
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