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WS-X4920-GB-RJ45
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Cisco 4900M Switch WS-X4920-GB-RJ45
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Name:
WS-X4920-GB-RJ45
- Description:
- Cisco 4900M Switch WS-X4920-GB-RJ45
- Rating:
Added to cart 28 times recently
- Availability:
2 In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 882658172076
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
- Warranty:
- 3
- List Price:
$4,000.00
- Price:
$1,544.0061.4% off
Quantity:
1
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WS-X4920-GB-RJ45 Overview
WS-X4920-GB-RJ45 is a high-performance network switch designed with a modular architecture that supports both Layer 2 and Layer 3 functionalities. It features a robust stacking capability, advanced chassis design, and a mix of RJ45 and SFP uplink ports to ensure reliable connectivity and flexibility in network deployment.
WS-X4920-GB-RJ45 offers versatile power options including a redundant power supply for enhanced uptime and efficient AC power operation. With a scalable port configuration, superior switching capacity, and optimized performance for enterprise networks, this switch is ideally suited for campus LANs, branch offices, and high-density network environments.
WS-X4920-GB-RJ45 price is $1,544.00, a 61.4% saving from the Cisco list price of $4,000.00. WS-X4920-GB-RJ45 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for WS-X4920-GB-RJ45 for additional pricing. Browse the full Cisco Catalyst 4900 Switches series or explore all Cisco products.
WS-X4920-GB-RJ45 Specifications
- Product Type
- Switch
- Brand
- Cisco
- Power Source
- Redundant Power Supply / AC Power Supply / N/A
- Layer Supported
- Layer 2 / Layer 3
- Form Factor
- Rack-mount
- Power Consumption
- 75 W
- Number of Ethernet Ports
- 24–48 Ports
- Number of Downlink Ports
- 8 Ports
- Manageable
- Managed
- Ethernet Technology
- 10/100/1000
- Media Type Supported
- Twisted Pair
- Redundant Power Supply Supported
- Yes
- Manufacturer Part Number
- WS-X4920-GB-RJ45
- Uplink Configuration
- 1G
- IOS
- LAN Base
- POE Support
- POE
- SFP Ports
- 4 SFP Ports
- Memory
- 256 MB
- Rack Units
- 1 RU
- Interface Ports
- 10/100/1000
- Port/Expansion Slot Details
- 24 RJ45 ports, 4 SFP uplink ports
- Flash Memory
- 64 MB
- Switching Capacity
- 52 Gbps
- Switching Capacity with Stacking
- 104 Gbps
- Product Name
- WS-X4920-GB-RJ45 Gigabit Ethernet Switch
- Height
- 1 inches
- Width
- 17 inches
- Depth
- 12 inches
- Weight
- 15 lbs
WS-X4920-GB-RJ45 Use Case
High-Density Campus Access Deployment with WS-X4920-GB-RJ45-Cisco 4900M Switch
A global financial institution deploys the WS-X4920-GB-RJ45-Cisco 4900M Switch in its campus access layer to support 24-port 1G connections, redundant uplinks and advanced QoS policies. Benefit: simplifies network scaling, delivers 99.99% uptime and optimizes performance for mission-critical trading applications.
Scalable Data Center Leaf Switching for Virtualized Environments using WS-X4920-GB-RJ45
A cloud service provider integrates WS-X4920-GB-RJ45 modules in its Cisco 4900M Switch leaf topology to connect 200+ virtual machines via 1G ports and StackWise Plus uplinks. Benefit: delivers low-latency connectivity, seamless scalability and consistent SLA compliance.
Converged Voice, Video & Data Infrastructure with WS-X4920-GB-RJ45-Cisco 4900M Switch
A multinational enterprise unifies IP telephony, video conferencing and data traffic on the Cisco 4900M Switch WS-X4920-GB-RJ45 module, leveraging granular QoS and traffic shaping. Benefit: ensures crystal-clear communications, minimal jitter and centralized administration across 24 Gigabit endpoints.
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Product Comparison Table 
| WS-X4920-GB-RJ45 |  WS-C4948E-S |  WS-C4948-S |  4900M-X2-CVR |  WS-C4948 | |
|---|---|---|---|---|---|
| Depth | 12 inches | 12 inches | 18 inches | 15 inches | 18 inches |
| Ethernet Technology | 10/100/1000 | 10/100 | 10/100 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 64 MB | 32 MB | 32 MB | 256 MB | 32 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1 inches | 1.75 inches | 1.75 inches | 1.75 inches | 1.75 inches |
| IOS | LAN Base | LAN Lite | LAN Lite | IP Services | LAN Base |
| Interface Ports | 10/100/1000 | 10/100 | 10/100 | 10/100/1000 | 10/100/1000 |
| Layer Supported | Layer 2 / Layer 3 | Layer 2 | Layer 2 | Layer 2 / Layer 3 | Layer 2 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | WS-X4920-GB-RJ45 | WS-C4948E-S | WS-C4948-S | 4900M-X2-CVR | WS-C4948 |
| Media Type Supported | Twisted Pair | Twisted Pair | Twisted Pair / Fiber | Twisted Pair / Fiber / Combo | Twisted Pair |
| Memory | 256 MB | 128 MB | 256 MB | 512 MB | 128 MB |
| Number of Downlink Ports | 8 Ports | 48 Ports | 48 Ports | 24 Ports | 48 Ports |
| Number of Ethernet Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports |
| POE Support | POE | Non POE | Non POE | POE+ | Non POE |
| Power Source | Redundant Power Supply / AC Power Supply / N/A | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | WS-X4920-GB-RJ45 Gigabit Ethernet Switch | Cisco Catalyst WS-C4948E-S Ethernet Switch | Cisco Catalyst 4948-S Switch | 4900M-X2-CVR High-Performance Enterprise Switch | Cisco Catalyst WS-C4948 Ethernet Switch |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | 1 RU | 1 RU | 1 RU | 1 RU | 1 RU |
| Redundant Power Supply Supported | Yes | No | No | Yes | Yes |
| SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 52 Gbps | 32 Gbps | 32 Gbps | 480 Gbps | 128 Gbps |
| Switching Capacity with Stacking | 104 Gbps | 64 Gbps | 64 Gbps | 960 Gbps | 256 Gbps |
| Uplink Configuration | 1G | 1G | 1G | 10G | 1G |
| Weight | 15 lbs | 20 lbs | 16 lbs | 15 lbs | 17 lbs |
| Width | 17 inches | 17.5 inches | 19 inches | 17.5 inches | 17.5 inches |
Compliance & Warranty
100% Genuine Product Guarantee
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
Up to 3-Year Warranty Coverage
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
Hassle-Free RMA & Returns
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Rigorously Tested & Quality Assured
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Expert Technical Support
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Fast Global Delivery
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviews & Ratings
S
Stephen Hart
5
Gigabit RJ45 module for expansion needs.
H
Hafsa Noor
4
Stable operation.
P
Pedro Alvarez
5
Good port density.
U
Usama Khalid
4
Reliable.
J
Julia Carter
4
Works fine.
Questions & Answers
What is the Cisco WS-X4920-GB-RJ45 line card?
The Cisco WS-X4920-GB-RJ45 is a 20-port 10/100/1000 Mbps Ethernet line card designed for Cisco Catalyst 4900M modular switches, delivering high-density Gigabit connectivity and non-blocking performance.
How many RJ-45 ports does the WS-X4920-GB-RJ45 provide?
The WS-X4920-GB-RJ45 provides 20 RJ-45 ports supporting 10/100/1000 Mbps connectivity for server and desktop networks.
What port speeds are supported by the WS-X4920-GB-RJ45?
Each RJ-45 port auto-negotiates 10, 100, and 1000 Mbps in full- or half-duplex modes for flexible network deployments.
Which Cisco Catalyst chassis are compatible with WS-X4920-GB-RJ45?
The module is compatible with Cisco Catalyst 4900M Series chassis, requiring an available M-series module slot in models such as the 4906M and 4912M.
What is the switching capacity of the WS-X4920-GB-RJ45?
It delivers up to 40 Gbps of non-blocking switching capacity, ensuring wire-speed performance for all 20 ports.
What forwarding rate does the WS-X4920-GB-RJ45 support?
The line card supports up to 60 million packets per second (Mpps) forwarding rate for optimal data throughput.
Does the WS-X4920-GB-RJ45 support Power over Ethernet (PoE)?
No. The WS-X4920-GB-RJ45 does not support PoE or PoE+, providing data-only Ethernet connectivity.
How do I install the WS-X4920-GB-RJ45 in my chassis?
Insert the WS-X4920-GB-RJ45 into an available M-series slot on the Catalyst 4900M chassis, secure it with captive screws, and reload the switch to detect the new module.
What is the typical power consumption of the WS-X4920-GB-RJ45?
Typical power consumption is approximately 25 watts, with a maximum draw of 35 watts under full load conditions.
Which Cisco IOS features are supported on WS-X4920-GB-RJ45?
It supports Cisco IOS features such as VLAN, QoS, ACLs, 802.1x, Spanning Tree, and advanced Layer 3 routing when paired with appropriate supervisor engines and licenses.
What warranty coverage applies to the WS-X4920-GB-RJ45?
Cisco’s standard 90-day limited hardware warranty applies, with optional extension via Cisco Smart Net Total Care for comprehensive support.
What is the end-of-life status of the WS-X4920-GB-RJ45?
The WS-X4920-GB-RJ45 has reached End-of-Sale status; existing customers receive support per Cisco’s legacy hardware policy and can obtain replacements through authorized partners.
How does WS-X4920-GB-RJ45 differ from WS-X4924-GB-RJ45?
The WS-X4920-GB-RJ45 offers 20 Gigabit RJ-45 ports, while the WS-X4924-GB-RJ45 provides 24 ports; both share similar performance and feature sets.
Can the WS-X4920-GB-RJ45 be used in Virtual Switching System (VSS) deployments?
Yes. While the line card itself does not stack, it supports VSS deployments at the chassis level when used with VSS-capable supervisor engines.
What environmental conditions are required for WS-X4920-GB-RJ45 operation?
The module operates in ambient temperatures from 0°C to 40°C and relative humidity of 10% to 90% non-condensing, per Cisco environmental specifications.
Where can I purchase genuine Cisco WS-X4920-GB-RJ45 modules?
Genuine WS-X4920-GB-RJ45 modules are available through Cisco authorized partners and distributors; contact your Cisco reseller for pricing and availability.