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Rock solid core switch with low latency performance.
WS-C4900M
Cisco 4948 Switch WS-C4900M
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Name:
WS-C4900M
- Description:
- Cisco 4948 Switch WS-C4900M
- Rating:
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- Brand:
- Cisco
- GTIN:
- 582723245383
- Condition:
- Warranty:
- 3
- List Price:
$22,400.00
- Price:
$7,729.0065.5% off
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WS-C4900M Overview
WS-C4900M is a high-performance, modular switch that features a robust architecture with flexible power options including redundant power supply and AC power configurations. It offers a versatile port configuration with multiple Ethernet ports, dedicated uplink capabilities, and a design that supports stacking, making it ideal for scalable network deployments in high-demand environments.
WS-C4900M is engineered for exceptional performance in diverse use cases such as data centers, branch offices, and campus networks. Its advanced design delivers reliable switching, efficient power management, and seamless integration with modular interface modules, ensuring future scalability and adaptability to evolving network demands.
WS-C4900M price is $7,729.00, a 65.5% saving from the Cisco list price of $22,400.00. WS-C4900M is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for WS-C4900M for additional pricing. Browse the full Cisco Catalyst 4900 Switches series or explore all Cisco products.
WS-C4900M Specifications
- Product Type
- Switch
- Power Source
- Redundant Power Supply / AC Power Supply
- Layer Supported
- Layer 2 / Layer 3
- Form Factor
- Rack-mount
- Power Consumption
- N/A
- Number of Ethernet Ports
- 24–48 Ports
- Number of Downlink Ports
- 24 Ports
- Manageable
- Managed
- Ethernet Technology
- 10/100/1000
- Media Type Supported
- Twisted Pair / Fiber
- Redundant Power Supply Supported
- Yes
- Manufacturer Part Number
- WS-C4900M
- Uplink Configuration
- 10G
- IOS
- IP Services
- POE Support
- POE+
- SFP Ports
- 4 SFP Ports
- Memory
- 256 MB
- Rack Units
- 1 RU
- Interface Ports
- 10/100/1000
- Port/Expansion Slot Details
- Modular design supporting interchangeable interface modules
- Flash Memory
- 32 MB
- Switching Capacity
- N/A
- Switching Capacity with Stacking
- N/A
- Product Name
- WS-C4900M Series Switch
- Height
- 1.75 inches
- Width
- 17 inches
- Depth
- 15 inches
- Weight
- 15 lbs
WS-C4900M Use Case
Data Center Top-of-Rack High-Density Aggregation
In a hyperscale data center, the Cisco WS-C4900M (4948) delivers 48 Gigabit Ethernet ports plus four 10Gb SFP+ uplinks in a 1RU chassis, consolidating server connections and simplifying cabling. Its non-blocking switching fabric and modular uplinks optimize east-west traffic flows, reducing latency by up to 30% and increasing rack consolidation efficiency. The result is scalable, high-performance aggregation that supports rapid VM provisioning and seamless capacity expansion.
Enterprise Campus Distribution for Converged Voice, Video and Data
As a distribution-layer switch in a large corporate campus, the Cisco 4948 WS-C4900M unifies Gigabit Ethernet connectivity for voice, video surveillance and desktop data over a single, resilient platform. Advanced QoS, Intelligent Resilient Fabric (IRF) and IEEE 802.1Q VLAN segmentation ensure predictable service-level performance and secure traffic isolation. The outcome is simplified network architecture, 99.999% availability and streamlined operations for converged enterprise applications.
Low-Latency Backbone for Financial Trading and HPC Clusters
In demanding environments like high-frequency trading floors or HPC compute clusters, the WS-C4900M (Cisco 4948) provides sub-microsecond latency and jitter-free packet forwarding across 48 GbE ports. Its wire-speed throughput and deep buffer architecture maintain transactional integrity under burst loads, while redundant power supplies and hot-swappable fans guarantee nonstop operation. This yields deterministic performance, reduced transaction times and enhanced compute-to-network synchronization.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
 WS-C4900M |  WS-X4993-F |  WS-C4948-10GE-E |  WS-C4948E |  WS-X4993 | |
|---|---|---|---|---|---|
| Depth | 15 inches | 18 inches | 29 | 11 inches | 18 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100 | 10/100/1000 |
| Flash Memory | 32 MB | 256 MB | 32 MB | 32 MB | 256 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.75 inches | 1.75 inches | 1.75 | 1.75 inches | 1 inches |
| IOS | IP Services | IP Services | LAN Base | LAN Lite | IP Services |
| Interface Ports | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100 | 10/100/1000 |
| Layer Supported | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 | Layer 2 | Layer 2 / Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | WS-C4900M | WS-X4993-F | WS-C4948-10GE-E | WS-C4948E | WS-X4993 |
| Media Type Supported | Twisted Pair / Fiber | Combo | Twisted Pair / Fiber | Combo | Twisted Pair / Fiber / Combo |
| Memory | 256 MB | 512 MB | 256 MB | 256 MB | 512 MB |
| Number of Downlink Ports | 24 Ports | 24 Ports | 8 Ports | 48 Ports | 24 Ports |
| Number of Ethernet Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports |
| POE Support | POE+ | POE+ | Non POE | Non POE | POE+ |
| Port/Expansion Slot Details | Modular design supporting interchangeable interface modules | N/A | N/A | N/A | Modular expansion slots available for additional interface cards |
| Power Consumption | N/A | 350 W | 350 W | N/A | 350 W |
| Power Source | Redundant Power Supply / AC Power Supply | Redundant Power Supply / AC Power Supply | Redundant Power Supply | AC Power Supply | Redundant Power Supply / AC Power Supply |
| Product Name | WS-C4900M Series Switch | Enterprise Modular Stackable Switch WS-X4993-F | Cisco Catalyst 4948 10-Gigabit Ethernet Switch – Enhanced | Cisco Catalyst 4948E Ethernet Switch | WS-X4993 Modular Enterprise 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 | Yes | Yes | No | Yes |
| SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 12 SFP Ports |
| Switching Capacity | N/A | 480 Gbps | 128 Gbps | 128 Gbps | 640 Gbps |
| Switching Capacity with Stacking | N/A | 960 Gbps | 256 Gbps | 256 Gbps | 1,280 Gbps |
| Uplink Configuration | 10G | 10G | 10G | 1G | 10G |
| Weight | 15 lbs | 25 lbs | 30 lbs | 14 lbs | 20 lbs |
| Width | 17 inches | 19 inches | 17.5 | 17.5 inches | 17 inches |
Reviews & Ratings
N
Nabila Aslam
5
Handled aggregation traffic without issues.
T
Thomas Weber
5
Reliable platform for legacy environments.
I
Imran Qureshi
5
Consistent throughput under load.
R
Rebecca Moore
5
Still dependable after years of use.