Which optics are supported by the WS-X4908-10GE?

This module supports all Cisco SFP+ optics, including 10GBASE-SR, 10GBASE-LR, 10GBASE-ER, and 10G SFP+ Direct Attach Copper (DAC) cables.

Does the WS-X4908-10GE support Cisco StackWise or VSS?

No, the WS-X4908-10GE is designed for the standalone Catalyst 4900M chassis and does not support StackWise or Virtual Switching System (VSS).

What redundancy features are available with WS-X4908-10GE?

When paired with Supervisor Engine 2T or later, it supports stateful supervisor switchover (SSO), nonstop forwarding (NSF), and redundant power-supply options.

How do I install the WS-X4908-10GE module?

Power down the Catalyst 4900M chassis, slide the module into any available expansion slot, secure the captive screws, and reboot the switch for automatic recognition.

What are the power and cooling requirements?

The WS-X4908-10GE consumes up to 115 W under full load and requires sufficient chassis airflow and one or more 600 W or higher Cisco external power supplies.

What software version is required for WS-X4908-10GE?

Cisco IOS XE 3.4.2E or later is recommended to enable full feature support, including advanced QoS, MPLS, and IPv6 routing.

Can I enable advanced security features on WS-X4908-10GE?

Yes, when running the Cisco IOS Security or Advanced Enterprise license, the module supports 802.1X, MACsec encryption, and dynamic ARP inspection.

What warranty and support options are available?

Cisco offers a limited lifetime warranty on the module with next-business-day advance hardware replacement and optional Cisco SMARTnet® support for 24×7 case escalation.

How does WS-X4908-10GE compare to WS-X4908-10G?

The WS-X4908-10GE adds extended temperature support and enhanced buffer capacity for data-center applications, while the WS-X4908-10G is limited to standard environments.

What typical use cases suit the WS-X4908-10GE?

Ideal for server aggregation, virtualization uplinks, and high-performance IP storage networks, it scales to meet enterprise campus and small-to-medium data-center needs.

Where can I purchase replacement SFP+ optics for WS-X4908-10GE?

Genuine Cisco SFP+ optics and DAC cables are available through Cisco authorized partners or the Cisco Commerce Workspace, ensuring compatibility and warranty coverage.

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WS-X4908-10GE Overview

WS-X4908-10GE is a high-performance 10 Gigabit Ethernet service module engineered with a robust modular architecture designed to deliver high throughput and low latency in demanding network environments. It is built for integration in chassis-based systems with redundant power supply options, providing reliable operation and ensuring continuity in mission-critical applications.

WS-X4908-10GE features eight high-speed 10GE ports optimized for stacking and scalability, enabling seamless expansion of network infrastructures. Its advanced performance characteristics support Layer 2 and Layer 3 switching, making it ideal for data centers, enterprise networks, and service provider deployments where efficient and reliable connectivity is paramount.

WS-X4908-10GE price is $3,766.00, a 56.2% saving from the Cisco list price of $8,600.00. WS-X4908-10GE is in stock and available for next-day dispatch. (terms applied)

Request bulk order quote for WS-X4908-10GE for additional pricing. Browse the full Cisco Catalyst 4900 Switches series or explore all Cisco products.

WS-X4908-10GE Specifications

Product Type: Switch
Power Source: Redundant Power Supply
Layer Supported: Layer 2 / Layer 3
Form Factor: Chassis
Power Consumption: N/A
Number of Ethernet Ports: Under 12 Ports
Number of Downlink Ports: 8 Ports
Manageable: Managed
Ethernet Technology: 10 Gigabit Ethernet
Media Type Supported: Fiber
Redundant Power Supply Supported: Yes
Manufacturer Part Number: WS-X4908-10GE
Uplink Configuration: 10G
IOS: IP Services
POE Support: Non POE
SFP Ports: N/A
Memory: N/A
Rack Units: N/A
Interface Ports: N/A
Port/Expansion Slot Details: N/A
Flash Memory: N/A
Switching Capacity: N/A
Switching Capacity with Stacking: N/A
Product Name: Cisco Catalyst WS-X4908-10GE 10 Gigabit Ethernet Module
Height: N/A
Width: N/A
Depth: N/A
Weight: N/A

Quality Certifications

To get the detailed certification, please go to the Compliance Center.

Product Comparison Table

	WS-X4908-10GE	WS-C4948E-F-E	WS-C4900M	4900M-X2-CVR	4900M-BLK-CVR
Depth	N/A	18 inches	15 inches	15 inches	15 inches
Ethernet Technology	10 Gigabit Ethernet	10/100/1000	10/100/1000	10/100/1000	10/100/1000
Flash Memory	N/A	64 MB	32 MB	256 MB	256 MB
Form Factor	Chassis	Rack-mount	Rack-mount	Rack-mount	Rack-mount
Height	N/A	1.73 inches	1.75 inches	1.75 inches	1.75 inches
IOS	IP Services	LAN Lite	IP Services	IP Services	LAN Base
Interface Ports	N/A	10/100/1000	10/100/1000	10/100/1000	10/100/1000
Layer Supported	Layer 2 / Layer 3	Layer 2	Layer 2 / Layer 3	Layer 2 / Layer 3	Layer 2
Manageable	Managed	Managed	Managed	Managed	Managed
Manufacturer Part Number	WS-X4908-10GE	WS-C4948E-F-E	WS-C4900M	4900M-X2-CVR	4900M-BLK-CVR
Media Type Supported	Fiber	Twisted Pair	Twisted Pair / Fiber	Twisted Pair / Fiber / Combo	Twisted Pair / Fiber
Memory	N/A	256 MB	256 MB	512 MB	512 MB
Number of Downlink Ports	8 Ports	48 Ports	24 Ports	24 Ports	8 Ports
Number of Ethernet Ports	Under 12 Ports	24–48 Ports	24–48 Ports	24–48 Ports	24–48 Ports
POE Support	Non POE	Non POE	POE+	POE+	POE+
Port/Expansion Slot Details	N/A	N/A	Modular design supporting interchangeable interface modules	2 expansion slots supporting additional SFP modules	Multiple expansion slots for additional modules
Power Consumption	N/A	N/A	N/A	200 W	85W
Power Source	Redundant Power Supply	AC Power Supply	Redundant Power Supply / AC Power Supply	AC Power Supply	AC Power Supply
Product Name	Cisco Catalyst WS-X4908-10GE 10 Gigabit Ethernet Module	Cisco Catalyst WS-C4948E-F-E Switch	WS-C4900M Series Switch	4900M-X2-CVR High-Performance Enterprise Switch	4900M Modular Black Cover Switch
Product Type	Switch	Switch	Switch	Switch	Switch
Rack Units	N/A	1 RU	1 RU	1 RU	1 RU
Redundant Power Supply Supported	Yes	No	Yes	Yes	Yes
SFP Ports	N/A	4 SFP Ports	4 SFP Ports	4 SFP Ports	4 SFP Ports
Switching Capacity	N/A	128 Gbps	N/A	480 Gbps	128 Gbps
Switching Capacity with Stacking	N/A	256 Gbps	N/A	960 Gbps	256 Gbps
Uplink Configuration	10G	1G	10G	10G	10G
Weight	N/A	29 lbs	15 lbs	15 lbs	15 lbs
Width	N/A	17.5 inches	17 inches	17.5 inches	17.5 inches

Reviews & Ratings

Jonathan Reed

High density 10G ports for aggregation.

Mehwish Akram

Improved bandwidth instantly.

Luca Romano

Stable under load.

Saifullah Khan

Good module.

Rebecca Stone

Satisfied.

Questions & Answers

What is the Cisco WS-X4908-10GE module?

The WS-X4908-10GE is a high-density 8-port 10 Gigabit Ethernet line card designed for Cisco Catalyst 4900M Series switches, delivering low-latency, wire-speed performance in enterprise and data-center environments.

Which switches support the WS-X4908-10GE module?

The WS-X4908-10GE is compatible with Cisco Catalyst 4900M Series chassis, including the Catalyst 4948M and 4906M platforms equipped with Supervisor Engine 2 or later.

How many 10 Gigabit Ethernet ports does the WS-X4908-10GE provide?

The module offers eight fixed 10 Gigabit Ethernet SFP+ ports, supporting both fiber and direct-attach copper optics for flexible connectivity.

What throughput can I expect from the WS-X4908-10GE?

The WS-X4908-10GE delivers up to 160 Gbps of non-blocking switching capacity and up to 120 Mpps (million packets per second) forwarding performance.

Related Searches Cisco Catalyst 4900 Switches

WS-X4908-10G-RJ45 WS-X4904-10GE WS-X4992 WS-X4920-GB-RJ45 WS-X4900M-23CNTR 4900M-BLK-CVR WS-C4948-10GE WS-C4948-10GE-E

WS-X4908-10GE Overview

WS-X4908-10GE price is $3,766.00, a 56.2% saving from the Cisco list price of $8,600.00. WS-X4908-10GE is in stock and available for next-day dispatch. (terms applied)

Request bulk order quote for WS-X4908-10GE for additional pricing. Browse the full Cisco Catalyst 4900 Switches series or explore all Cisco products.

WS-X4908-10GE Specifications

Product Type

Switch

Power Source

Redundant Power Supply

Layer Supported

Layer 2 / Layer 3

Form Factor

Chassis

Power Consumption

N/A

Number of Ethernet Ports

Under 12 Ports

Number of Downlink Ports

8 Ports

Manageable

Managed

Ethernet Technology

10 Gigabit Ethernet

Media Type Supported

Fiber

Redundant Power Supply Supported

Yes

Manufacturer Part Number

WS-X4908-10GE

Uplink Configuration

10G

IOS

IP Services

POE Support

Non POE

SFP Ports

N/A

Memory

N/A

Rack Units

N/A

Interface Ports

N/A

Port/Expansion Slot Details

N/A

Flash Memory

N/A

Switching Capacity

N/A

Switching Capacity with Stacking

N/A

Product Name

Cisco Catalyst WS-X4908-10GE 10 Gigabit Ethernet Module

Height

N/A

Width

N/A

Depth

N/A

Weight

N/A

Product Comparison Table

	WS-X4908-10GE	WS-C4948E-F-E	WS-C4900M	4900M-X2-CVR	4900M-BLK-CVR
Depth	N/A	18 inches	15 inches	15 inches	15 inches
Ethernet Technology	10 Gigabit Ethernet	10/100/1000	10/100/1000	10/100/1000	10/100/1000
Flash Memory	N/A	64 MB	32 MB	256 MB	256 MB
Form Factor	Chassis	Rack-mount	Rack-mount	Rack-mount	Rack-mount
Height	N/A	1.73 inches	1.75 inches	1.75 inches	1.75 inches
IOS	IP Services	LAN Lite	IP Services	IP Services	LAN Base
Interface Ports	N/A	10/100/1000	10/100/1000	10/100/1000	10/100/1000
Layer Supported	Layer 2 / Layer 3	Layer 2	Layer 2 / Layer 3	Layer 2 / Layer 3	Layer 2
Manageable	Managed	Managed	Managed	Managed	Managed
Manufacturer Part Number	WS-X4908-10GE	WS-C4948E-F-E	WS-C4900M	4900M-X2-CVR	4900M-BLK-CVR
Media Type Supported	Fiber	Twisted Pair	Twisted Pair / Fiber	Twisted Pair / Fiber / Combo	Twisted Pair / Fiber
Memory	N/A	256 MB	256 MB	512 MB	512 MB
Number of Downlink Ports	8 Ports	48 Ports	24 Ports	24 Ports	8 Ports
Number of Ethernet Ports	Under 12 Ports	24–48 Ports	24–48 Ports	24–48 Ports	24–48 Ports
POE Support	Non POE	Non POE	POE+	POE+	POE+
Port/Expansion Slot Details	N/A	N/A	Modular design supporting interchangeable interface modules	2 expansion slots supporting additional SFP modules	Multiple expansion slots for additional modules
Power Consumption	N/A	N/A	N/A	200 W	85W
Power Source	Redundant Power Supply	AC Power Supply	Redundant Power Supply / AC Power Supply	AC Power Supply	AC Power Supply
Product Name	Cisco Catalyst WS-X4908-10GE 10 Gigabit Ethernet Module	Cisco Catalyst WS-C4948E-F-E Switch	WS-C4900M Series Switch	4900M-X2-CVR High-Performance Enterprise Switch	4900M Modular Black Cover Switch
Product Type	Switch	Switch	Switch	Switch	Switch
Rack Units	N/A	1 RU	1 RU	1 RU	1 RU
Redundant Power Supply Supported	Yes	No	Yes	Yes	Yes
SFP Ports	N/A	4 SFP Ports	4 SFP Ports	4 SFP Ports	4 SFP Ports
Switching Capacity	N/A	128 Gbps	N/A	480 Gbps	128 Gbps
Switching Capacity with Stacking	N/A	256 Gbps	N/A	960 Gbps	256 Gbps
Uplink Configuration	10G	1G	10G	10G	10G
Weight	N/A	29 lbs	15 lbs	15 lbs	15 lbs
Width	N/A	17.5 inches	17 inches	17.5 inches	17.5 inches

Questions & Answers

What is the Cisco WS-X4908-10GE module?

Which switches support the WS-X4908-10GE module?

The WS-X4908-10GE is compatible with Cisco Catalyst 4900M Series chassis, including the Catalyst 4948M and 4906M platforms equipped with Supervisor Engine 2 or later.

How many 10 Gigabit Ethernet ports does the WS-X4908-10GE provide?

The module offers eight fixed 10 Gigabit Ethernet SFP+ ports, supporting both fiber and direct-attach copper optics for flexible connectivity.

What throughput can I expect from the WS-X4908-10GE?

The WS-X4908-10GE delivers up to 160 Gbps of non-blocking switching capacity and up to 120 Mpps (million packets per second) forwarding performance.