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Dependable gigabit switch for enterprise networks.
WS-C4948
Cisco 4948 Switch WS-C4948
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WS-C4948
Cisco 4948 Switch WS-C4948
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WS-C4948 is a high-performance rack-mount Ethernet switch built on a robust architecture with versatile power options that include an AC power supply. It is engineered for reliability and efficiency, combining high port density with advanced stacking capabilities to support scalable, high-throughput networking environments.
The switch offers 48 Gigabit Ethernet downlink ports alongside 4 SFP uplink ports, enabling flexible media connectivity and seamless integration into diverse network infrastructures. Its performance-driven design, paired with a managed LAN Base IOS, makes it well suited for campus LANs, data centers, and branch offices that demand dependable, high-speed data transfer and expandable networking solutions.
WS-C4948 price is $4,830.00, a 51.7% saving from the Cisco list price of $10,000.00. WS-C4948 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for WS-C4948 for additional pricing. Browse the full Cisco Catalyst 4900 Switches series or explore all Cisco products.
Scenario: Large enterprise data centers require low-latency, high-throughput 10GbE uplinks for server farms. The WS-C4948 Cisco 4948 Switch delivers 48 line-rate Gigabit ports plus four native 10GbE SFP+ slots, enabling consolidated top-of-rack aggregation with wire-speed forwarding. Benefit: Simplifies rack-level architecture, reduces latency by up to 30%, and scales seamlessly to support growth in virtualized workloads and East-West traffic.
Scenario: Education and corporate campuses demand high-density Gigabit access for VoIP, video and wireless backhaul. The Cisco 4948 Switch (WS-C4948) provides resilient stacking, advanced QoS and 48 RJ-45 ports to power PoE devices and large user populations. Benefit: Ensures consistent application performance, simplifies network segmentation with VLANs, and cuts operational expenses by centralizing management and reducing hardware footprint.
Scenario: Virtualized server farms and HPC clusters require predictable bandwidth and ultra-low jitter for compute-intensive workloads. The WS-C4948 Cisco 4948 Switch offers non-blocking architecture and IEEE 802.3ad link aggregation for up to 40Gbps of aggregated uplink capacity. Benefit: Delivers deterministic performance for VM migrations, accelerates data-intensive computing tasks, and supports high-availability designs with redundant uplinks and rapid failover.
To get the detailed certification, please go to the Compliance Center.
 WS-C4948 |  WS-X4908-10GE |  WS-X4992 |  WS-C4900M |  WS-X4993-F | |
|---|---|---|---|---|---|
| Depth | 18 inches | N/A | 12 inches | 15 inches | 18 inches |
| Ethernet Technology | 10/100/1000 | 10 Gigabit Ethernet | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 32 MB | N/A | 256 MB | 32 MB | 256 MB |
| Form Factor | Rack-mount | Chassis | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.75 inches | N/A | 3.5 inches | 1.75 inches | 1.75 inches |
| IOS | LAN Base | IP Services | IP Services | IP Services | IP Services |
| Interface Ports | 10/100/1000 | N/A | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Layer Supported | Layer 2 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | WS-C4948 | WS-X4908-10GE | WS-X4992 | WS-C4900M | WS-X4993-F |
| Media Type Supported | Twisted Pair | Fiber | Combo | Twisted Pair / Fiber | Combo |
| Memory | 128 MB | N/A | 512 MB | 256 MB | 512 MB |
| Number of Downlink Ports | 48 Ports | 8 Ports | 24 Ports | 24 Ports | 24 Ports |
| Number of Ethernet Ports | 24–48 Ports | Under 12 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 | 4 expansion slots available | Modular design supporting interchangeable interface modules | N/A |
| Power Consumption | N/A | N/A | 200 W | N/A | 350 W |
| Power Source | AC Power Supply | Redundant Power Supply | Redundant Power Supply / AC Power Supply | Redundant Power Supply / AC Power Supply | Redundant Power Supply / AC Power Supply |
| Product Name | Cisco Catalyst WS-C4948 Ethernet Switch | Cisco Catalyst WS-X4908-10GE 10 Gigabit Ethernet Module | WS-X4992 High-Performance Stacked Switch | WS-C4900M Series Switch | Enterprise Modular Stackable Switch WS-X4993-F |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | 1 RU | N/A | 2 RU | 1 RU | 1 RU |
| Redundant Power Supply Supported | Yes | Yes | Yes | Yes | Yes |
| SFP Ports | 4 SFP Ports | N/A | 12 SFP Ports | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 128 Gbps | N/A | 320 Gbps | N/A | 480 Gbps |
| Switching Capacity with Stacking | 256 Gbps | N/A | 640 Gbps | N/A | 960 Gbps |
| Uplink Configuration | 1G | 10G | 10G | 10G | 10G |
| Weight | 17 lbs | N/A | 25 lbs | 15 lbs | 25 lbs |
| Width | 17.5 inches | N/A | 17.5 inches | 17 inches | 19 inches |
Dependable gigabit switch for enterprise networks.
Handled daily traffic smoothly.
Stable and predictable.
Good long term reliability.
Satisfied with performance.
The Cisco WS-C4948 is a high-performance, 48-port Gigabit Ethernet Layer 3 switch designed for enterprise networks, offering advanced routing, security, and QoS capabilities.
The Cisco WS-C4948 provides 48 10/100/1000 Mbps RJ-45 ports for high-density Gigabit Ethernet connectivity.
The WS-C4948 delivers a switching capacity of 96 Gbps and a forwarding rate of up to 71.4 Mpps, ensuring low-latency, high-throughput performance.
The WS-C4948 runs Cisco IOS 12.2(33)SXH, supporting advanced Layer 2 and Layer 3 features including OSPF, EIGRP, and IPv6 routing.