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Kevin Moore
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Added 10G capacity smoothly.
WS-X4904-10GE
Cisco 4900M Switch WS-X4904-10GE
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Name:
WS-X4904-10GE
- Description:
- Cisco 4900M Switch WS-X4904-10GE
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 4053162073654
- Condition:
- Warranty:
- 3
- List Price:
$5,800.00
- Price:
$2,511.0056.7% off
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1
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WS-X4904-10GE Overview
WS-X4904-10GE is a high-performance 10 Gigabit Ethernet module engineered within a modular chassis architecture, delivering robust switching capabilities for both Layer 2 and Layer 3 operations. Designed for applications demanding high throughput and reliability, it features a compact chassis form factor that supports flexible stacking and scalability, making it ideal for data centers and enterprise networks where performance and future growth are paramount.
WS-X4904-10GE offers multiple power options via chassis-based support, and its 10G uplink configuration combined with dedicated SFP ports provides exceptional data transfer speeds. Its architecture ensures seamless integration and manageability, positioning it as a preferred solution for environments requiring efficient high-speed connectivity, optimized performance, and versatile use cases across mission-critical network infrastructures.
WS-X4904-10GE price is $2,511.00, a 56.7% saving from the Cisco list price of $5,800.00. WS-X4904-10GE is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for WS-X4904-10GE for additional pricing. Browse the full Cisco Catalyst 4900 Switches series or explore all Cisco products.
WS-X4904-10GE Specifications
- Product Type
- Switch
- Power Source
- N/A
- Layer Supported
- Layer 2 / Layer 3
- Form Factor
- Chassis
- Power Consumption
- N/A
- Number of Ethernet Ports
- Under 12 Ports
- Number of Downlink Ports
- N/A
- Manageable
- Managed
- Ethernet Technology
- 10/100/1000
- Media Type Supported
- Fiber
- Redundant Power Supply Supported
- No
- Manufacturer Part Number
- WS-X4904-10GE
- Uplink Configuration
- 10G
- IOS
- IP Services
- POE Support
- Non POE
- SFP Ports
- 4 SFP Ports
- Memory
- 256 MB
- Rack Units
- N/A
- Interface Ports
- N/A
- Port/Expansion Slot Details
- N/A
- Flash Memory
- 64 MB
- Switching Capacity
- N/A
- Switching Capacity with Stacking
- N/A
- Product Name
- WS-X4904-10GE 10 Gigabit Ethernet Module
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
WS-X4904-10GE Use Case
Data-Center Aggregation with WS-X4904-10GE for 10GbE Uplink Scalability
In a mid-sized enterprise data center, IT architects deploy the WS-X4904-10GE Cisco 4900M Switch module in aggregation racks to consolidate four 10 Gigabit Ethernet uplinks from top-of-rack switches. This configuration delivers up to 40 Gbps of non-blocking throughput, reduces inter-rack latency to under 2 µs, and simplifies cabling. By centralizing high-density 10 GbE uplinks, organizations achieve predictable performance during peak application loads, streamline network operations, and eliminate port-sprawl—all while future-proofing for virtualization and storage-heavy workloads.
Campus Core Performance Enhancement with Cisco WS-X4904-10GE
A university IT department integrates the WS-X4904-10GE module into its Catalyst 4900M core switch to support surge video conferencing, VoIP telephony, and wireless-access backhaul across multiple buildings. With four dedicated 10 GbE ports, the campus core scales to aggregate traffic from 1 GbE edge switches, delivering line-rate throughput and sub-millisecond failover via hot-swappable design. The outcome: consistent Quality of Service for academic and research applications, simplified maintenance with redundant power and fans, and a 30 % reduction in network-related support tickets.
Service-Provider Metro Ethernet Peering Using WS-X4904-10GE
A regional telecom operator deploys the WS-X4904-10GE in its Cisco 4900M edge routers to terminate customer VLANs and Ethernet Virtual Circuits over fiber. Leveraging 802.1Q trunking and advanced QoS, each of the four 10 GbE ports aggregates multiple subscriber circuits with end-to-end SLA monitoring. This setup ensures sub-50 ms protection switching, 99.99 % service availability, and granular traffic policing for business-class Ethernet services. The operator expands revenue streams by offering tiered bandwidth packages without overhauling core infrastructure.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
 WS-X4904-10GE |  WS-C4948E-F |  WS-X4908-10GE |  WS-C4948E-S |  WS-C4948-10GE-S | |
|---|---|---|---|---|---|
| Depth | N/A | 17.8 inches | N/A | 12 inches | 18 inches |
| Ethernet Technology | 10/100/1000 | 10/100 | 10 Gigabit Ethernet | 10/100 | 10/100/1000 |
| Flash Memory | 64 MB | 32 MB | N/A | 32 MB | 64 MB |
| Form Factor | Chassis | Rack-mount | Chassis | Rack-mount | Rack-mount |
| Height | N/A | 1.73 inches | N/A | 1.75 inches | 1.75 inches |
| IOS | IP Services | LAN Lite | IP Services | LAN Lite | IP Services |
| Interface Ports | N/A | 10/100 | N/A | 10/100 | 10/100/1000 |
| Layer Supported | Layer 2 / Layer 3 | Layer 2 | Layer 2 / Layer 3 | Layer 2 | Layer 2 / Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | WS-X4904-10GE | WS-C4948E-F | WS-X4908-10GE | WS-C4948E-S | WS-C4948-10GE-S |
| Media Type Supported | Fiber | Twisted Pair | Fiber | Twisted Pair | Combo |
| Memory | 256 MB | 256 MB | N/A | 128 MB | 256 MB |
| Number of Downlink Ports | N/A | 48 Ports | 8 Ports | 48 Ports | 48 Ports |
| Number of Ethernet Ports | Under 12 Ports | 24–48 Ports | Under 12 Ports | 24–48 Ports | 24–48 Ports |
| POE Support | Non POE | Non POE | Non POE | Non POE | Non POE |
| Port/Expansion Slot Details | N/A | 48 fixed 10/100 Ethernet ports with 4 dedicated 1G SFP uplinks | N/A | 48x10/100 Ethernet ports, 4x SFP uplink ports | 48 Ethernet ports (10/100/1000) and 4 10-Gigabit SFP+ uplink ports |
| Power Consumption | N/A | 165 W | N/A | N/A | N/A |
| Power Source | N/A | AC Power Supply | Redundant Power Supply | AC Power Supply | Redundant Power Supply / AC Power Supply |
| Product Name | WS-X4904-10GE 10 Gigabit Ethernet Module | Cisco Catalyst 4948E-F Switch | Cisco Catalyst WS-X4908-10GE 10 Gigabit Ethernet Module | Cisco Catalyst WS-C4948E-S Ethernet Switch | Cisco WS-C4948-10GE-S |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | N/A | 1 RU | N/A | 1 RU | 1 RU |
| Redundant Power Supply Supported | No | No | Yes | No | Yes |
| SFP Ports | 4 SFP Ports | 4 SFP Ports | N/A | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | N/A | 32 Gbps | N/A | 32 Gbps | N/A |
| Switching Capacity with Stacking | N/A | 128 Gbps | N/A | 64 Gbps | N/A |
| Uplink Configuration | 10G | 1G | 10G | 1G | 10G |
| Weight | N/A | 22 lbs | N/A | 20 lbs | N/A |
| Width | N/A | 17.6 inches | N/A | 17.5 inches | 19 inches |
Reviews & Ratings
S
Sana Farooq
4
Recognized immediately.
A
Anders Nilsson
5
Stable module.
B
Bilal Hussain
5
Works as expected.
G
Grace Lin
5
Good upgrade.
Questions & Answers
What is the Cisco WS-X4904-10GE module?
The Cisco WS-X4904-10GE is a 10-Gigabit Ethernet expansion module designed for the Catalyst 4900M series switch chassis.
How many 10 Gigabit Ethernet ports does the WS-X4904-10GE support?
The WS-X4904-10GE module supports four 10-Gigabit Ethernet SFP+ ports for high-speed uplinks.
Is the WS-X4904-10GE compatible with the Catalyst 4900M series?
Yes, the WS-X4904-10GE is fully compatible and certified for use in the Cisco Catalyst 4900M switch chassis.
What is the switching capacity of a 4900M with WS-X4904-10GE installed?
A fully populated 4900M chassis with two WS-X4904-10GE modules delivers up to 960 Gbps of total switching capacity.
Does the WS-X4904-10GE support hot-swappable installation?
Yes, the WS-X4904-10GE is hot-swappable, allowing module insertion and removal without powering down the switch.
What are the primary use cases for the Cisco 4900M with WS-X4904-10GE?
It’s ideal for data center aggregation, enterprise core/distribution, and high-performance server access deployments.
How do I install the WS-X4904-10GE module on the 4900M switch?
Slide the module into an available 4900M slot until it clicks, secure the latches, power up (if required), and configure via Cisco IOS.
What is the power consumption of the WS-X4904-10GE?
Under maximum load, each WS-X4904-10GE module consumes up to 50 watts of power.
Does the module support advanced QoS and security features?
Yes, the WS-X4904-10GE fully supports Cisco QoS, ACLs, and hardware-based security functions.
Which SFP+ transceivers are supported by the WS-X4904-10GE?
It supports standard SFP+ optics such as 10GBASE-SR, 10GBASE-LR, and 10GBASE-CZ transceivers.
How many WS-X4904-10GE modules can I install per chassis?
The Catalyst 4900M chassis accepts up to two WS-X4904-10GE modules, providing eight total 10-Gigabit ports.
What warranty covers the WS-X4904-10GE?
It’s covered by Cisco’s limited lifetime hardware warranty with next-business-day advance replacement options.
How do I troubleshoot port connectivity on the WS-X4904-10GE?
Check module seating, review “show interface” for errors, replace faulty SFP+ optics, and examine system logs for alerts.
What are the cooling requirements for the WS-X4904-10GE?
It requires front-to-back airflow from the chassis; maintain proper fan operation and ambient temperatures below 40 °C.
Is the WS-X4904-10GE still supported by Cisco?
While end-of-sale, the WS-X4904-10GE is supported through Cisco’s technical assistance and the Cisco Refresh program.
Where can I find detailed technical documentation for the WS-X4904-10GE?
Access the official Cisco website and search the Catalyst 4900M documentation section for configuration guides and release notes.