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WS-C4948-10GE
Cisco WS-C4948-10GE Catalyst 4948-10GE 48-Port Gigabit Deskt...
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WS-C4948-10GE provides managed Layer 2 switching for server and workstation connections through 48 Gigabit copper access ports and two fixed 10G X2 uplinks. The Catalyst 4948-10GE is non-PoE and leaves power-supply selection to the order rather than including an installed supply. LAN Base is the default software option, with higher-tier images available for routed operation. The discontinued WS-C4948-10GE-S instead bundles one AC supply. Match the software configuration and included hardware when purchasing a replacement for an existing installation.
WS-C4948-10GE price for new stock is $6,339.90. WS-C4948-10GE refurb price is $323.40. WS-C4948-10GE is in stock and available for free next-day delivery. (terms applied)
Request bulk order quote for WS-C4948-10GE for additional pricing. Browse the full Cisco 4900 Catalyst Switches series or explore all Cisco products.
136 Gbps switching capacity and 102 Mpps forwarding define the traffic-processing envelope. WS-C4948-10GE has 256 MB of DRAM and a 16 MB shared packet buffer. 212W average consumption is an operating reference, not a maximum-draw rating. LAN Base does not enable OSPF or BGP; those protocols require Enterprise Services software.
WS-C4948-10GE is offered new sealed with up to a 3-year extended ORM warranty or certified refurbished with up to 1 year; both conditions have 30-day returns, with terms applying, while Cisco's original 1-year limited hardware warranty and service ended February 28, 2018. Certified refurbished units are inspected and bench-tested for power-on and POST, every port linking at rated speed, clean boot, and fan status, with firmware verified and configuration wiped to factory default. Select the condition and quantities required for the order. Enterprise and volume Catalyst 4900 orders can use a PO, with Net-30 for government, RMA with advance replacement, and regional stock and RMA across the UK, EU, US, and MEA.
| Key Specs | Key Spec Values |
|---|---|
Operating System | Cisco IOS |
License Tier | LAN Base default; image selected separately |
Port Configuration | 48 x 1G copper / 2 x 10G X2 |
Cooling | 4 fans; WS-X4991= spare tray |
Ships Without | PWR-C49-300AC / PWR-C49-300DC |
Lifecycle Status | End of sale February 28, 2013 |
In a hyper-converged data center hosting thousands of virtual machines, the Cisco 4948 Switch (WS-C4948-10GE) delivers 48 1/10GE ports for top-of-rack aggregation and dual 10GE uplinks to the spine. This deployment reduces packet-forwarding latency by up to 20%, simplifies cabling, and scales seamlessly to accommodate growing VM workloads—all while leveraging Cisco’s proven hardware reliability and unified management.
A leading research university requires ultra-low-latency, high-bandwidth connectivity for HPC clusters, remote instrumentation, and video collaboration. By deploying the Cisco 4948 Switch (WS-C4948-10GE) as the campus core, IT teams deliver prioritized traffic via advanced QoS, achieve up to 40% faster data transfer rates, and ensure uninterrupted 10GbE distribution across labs and lecture halls—backed by Cisco’s enterprise-grade security and support.
A managed service provider (MSP) offering cloud and VoIP services to diverse tenants needs a flexible, isolated edge solution. The Cisco 4948 Switch (WS-C4948-10GE) enables per-tenant VLAN segmentation, granular QoS policies, and hot-swappable power supplies—accelerating customer onboarding by 30%, ensuring SLA compliance, and delivering high-availability 10GE connectivity for voice, data, and video with Cisco’s industry-leading support.
When a staging environment needs traffic observation before equipment enters service, LAN Base provides two SPAN sessions. Identify the traffic sources and monitoring destinations before assigning an image, rather than assuming every software option has identical observation limits. Specify the intended image and monitoring configuration on the purchase order.
When identical hardware is ordered for sites using different mains connectors, distinguish CAB-US515-C15-US for North America from CAB-CEE77-C15-EU for Europe. A shared chassis part number does not settle the cord selection. Put the regional cord PID and its quantity on each site-specific purchase order before the order is released.
When an installed switch uses different power sources, match the replacement configuration before release to staging. PWR-C49-300AC and PWR-C49-300DC can operate together in one chassis, so neither input type requires a different switch model. Record both power-supply PIDs and the intended feed connections on the purchase order.
Copper downlinks faster than 1G
WS-C4948-10GE copper ports operate at 10/100/1000BASE-T. Its 10G connections use the two X2 uplink interfaces, not copper access ports, so it cannot provide native 10G copper downlinks.
Power delivery to connected endpoints
WS-C4948-10GE is non-PoE and does not supply endpoint power through its Ethernet ports. Connected equipment requiring power must use an independent power arrangement.
OSPF or BGP without an upgrade
LAN Base on WS-C4948-10GE provides Layer 2 switching, not OSPF or BGP. Enterprise Services is the software option for those routing protocols and must be selected separately.
Active Cisco hardware service
Cisco support for WS-C4948-10GE ended February 28, 2018. The later Catalyst 9500 migration family uses fiber-oriented interfaces rather than an equivalent set of copper access ports.
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| WS-C4948-10GE |  WS-C4948E-S |  WS-C4948 |  WS-C4948E-F |  WS-X4993-F | |
|---|---|---|---|---|---|
| Depth | 409.956 mm | 493 mm | 409.956 mm | 493 mm | 18 inches |
| Ethernet Technology | Gigabit Ethernet | Gigabit Ethernet | Gigabit Ethernet | Gigabit Ethernet | 10/100/1000 |
| Form Factor | Desktop | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U | Rack-mount |
| Height | 44.45 mm | 44 mm | 44.45 mm | 44 mm | 1.75 inches |
| Manufacturer Part Number | WS-C4948-10GE | WS-C4948E-S | WS-C4948 | WS-C4948E-F | WS-X4993-F |
| Memory | 256 MB | 1 GB | 256 MB | 1 GB | 512 MB |
| Power Consumption | 212W average | 275W | 176W average | 275W | 350 W |
| Switching Capacity | 136 Gbps | 176 Gbps | 96 Gbps | 176 Gbps | 480 Gbps |
| Width | 439.166 mm | 439 mm | 439.166 mm | 439 mm | 19 inches |
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Reviewed on the 22 September 2017
Excellent 10G aggregation switch for enterprise networks.
Reviewed on the 2 March 2024
Low latency and reliable uplinks.
Reviewed on the 26 August 2026
Consistent performance in production.
Reviewed on the 1 July 2018
Handled heavy traffic well.
Reviewed on the 16 May 2026
Very dependable switch.
WS-C4948-10GE identifies the configurable Catalyst 4948 chassis with 10G uplinks: C4948 names the model and 10GE distinguishes its uplink generation. The configuration has 48 Gigabit copper ports and two X2 interfaces. Without an image-specific suffix, this PID leaves software and power supplies as separate selections.
WS-C4948-10GE supports console CLI, remote access over SSH or Telnet, SNMP, Cisco Network Assistant, and CiscoWorks LMS/CiscoView web-based management. Its separate Ethernet management interface supports image recovery. Establish the intended management method and access policy before staging so the delivered configuration matches the operational environment.
Yes, WS-C4948-10GE reached end of sale on February 28, 2013, and its last date of Cisco support was February 28, 2018. Cisco service has ended. A purchase should therefore distinguish hardware condition from lifecycle status and identify who will provide replacement handling after delivery.
ORM Systems offers WS-C4948-10GE new sealed with up to a 3-year extended warranty or certified refurbished with up to 1 year. Both conditions have 30-day returns; terms apply. Refurbished units are inspected and bench-tested, firmware verified, and reset to factory defaults. Cisco's original 1-year limited hardware warranty and service ended February 28, 2018.
LAN Base is the default Layer 2 software option for WS-C4948-10GE, with IP Base and Enterprise Services available as upgrades. IP Base includes static routes, RIPv1/RIPv2, and EIGRP Stub. Enterprise Services adds OSPF, EIGRP, IS-IS, and BGP. Specify the selected image and software entitlement separately from the configurable chassis.
No, WS-C4948-10GE leaves PWR-C49-300AC or PWR-C49-300DC as a separate selection. One installed supply operates the switch; PWR-C49-300AC/2 or PWR-C49-300DC/2 provides the redundant option. Specify the chosen power-supply PID, quantity, input type, and appropriate regional cord so the equipment order includes the required power configuration.
Catalyst 4948-10GE uses X2 optics in its two fixed 10G uplinks, including X2-10GB-SR for multimode fiber and X2-10GB-LR for single-mode fiber. Select the optic by the installed fiber medium and required reach, then specify its PID and quantity rather than ordering an uplink card for these fixed interfaces.
The Catalyst 4948-10GE uses a four-fan tray, with WS-X4991= as the spare assembly. The cooling assembly is included with the configurable chassis. Include WS-X4991= in a maintenance order when a dedicated cooling spare is required, and distinguish that spare from the complete switch quantity on the purchase order.
The discontinued WS-C4948-10GE-S includes one PWR-C49-300AC, whereas WS-C4948-10GE leaves power supplies as a separate selection. Both retain the same copper-port and X2-uplink arrangement. The historical bundled model addresses like-for-like spare requirements; the configurable chassis suits orders that must specify the power configuration explicitly.
The discontinued WS-C4948-10GE-E bundles Enterprise Services software, while WS-C4948-10GE leaves the image configurable. Enterprise Services enables OSPF, EIGRP, IS-IS, and BGP beyond LAN Base's Layer 2 feature set. The historical image-specific bundle addresses advanced-routing replacement requirements; the configurable chassis permits an explicitly selected software image.
The Catalyst 9500 family is the later migration direction for the Catalyst 4948-10GE. Immediate replacements WS-C4948E and WS-C4948E-F are discontinued, with Cisco support ending October 31, 2022. Their historical replacement status does not make them current products, and migration planning must account for changed interface media and port configuration.
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