Cisco WS-C4948-10GE-E 48 Ports Enhanced Switch
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Cisco WS-C4948-10GE-E 48 Ports Enhanced Switch Catalyst Refurbished

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Part Number#: WS-C4948-10GE-E
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Short Description:
WS-C4948-10GE-E Catalyst 4948E 10GE EMI 10/100/1000 2-10gbe Ethernet Rack-mountable 1u 48 Ports Enhanced Managed Switch | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

Product Details of the Cisco WS-C4948-10GE-E Enhanced Switch

Cisco WS-C4948-10GE-E is a powerful and advanced network switch that belongs to the Catalyst 4948E series. This switch is designed to meet the demanding needs of modern networking environments, offering high-performance capabilities and a range of features to support the growing demands of businesses. The Cisco WS-C4948-10GE-E is a member of the Catalyst 4948E series, which is known for its robust and reliable network switches. As an Enhanced Managed Switch, this device is equipped with advanced capabilities to facilitate efficient and secure data transfer within a network infrastructure.

High Port Density

With 48 ports supporting 10/100/1000 Mbps Ethernet, the switch provides a high level of port density. This is particularly beneficial in environments where a large number of devices need to be connected to the network.

10-Gigabit Ethernet Support

The inclusion of 2 10GbE ports enhances the switch's capacity to handle high-bandwidth applications. This is crucial for organizations dealing with data-intensive tasks such as large file transfers, video streaming, and virtualization.

EMI for Advanced Networking

The Enhanced Multilayer Image (EMI) software package elevates the switch's capabilities by supporting advanced networking features. This includes the implementation of routing protocols, enabling the switch to participate in dynamic routing and making it suitable for more complex network architectures.

Improved Network Performance

The high port density and 10-gigabit Ethernet support contribute to enhanced network performance. With more ports available and increased bandwidth, the switch can handle a greater volume of data traffic, reducing congestion and improving overall network speed.

Enhanced Managed Capabilities

The "EMI" in the product name stands for Enhanced Managed Image, indicating that this switch comes equipped with advanced management features. These features empower network administrators with greater control, visibility, and customization options for optimizing network performance.

Layer 3 Routing Capabilities

The switch supports Layer 3 routing, allowing it to make intelligent decisions based on IP addresses. This capability enhances the switch's efficiency in directing network traffic and enables the creation of multiple subnetworks for improved network segmentation.


The 48 ports, combined with 2 10GbE ports, provide scalability for growing network requirements. Organizations can easily expand their network infrastructure by adding more devices and accommodating higher bandwidth demands without the need for significant hardware upgrades. The Cisco WS-C4948-10GE-E is highly scalable, making it suitable for networks of varying sizes. Whether an organization is in the early stages of development or operating at an enterprise level, this switch can adapt to changing network requirements.

Space Efficiency

The 1U rack-mountable design is a space-efficient solution for data centers and network closets. It allows organizations to maximize the use of available space, which is especially important in environments where physical space is limited.

Key Features

  • High-Speed Connectivity with 10GE: The WS-C4948-10GE-E is equipped with 48 ports, providing users with an extensive range of connectivity options. The inclusion of 10-gigabit Ethernet (10GE) ensures high-speed data transfer, making it suitable for bandwidth-intensive tasks and applications.
  • Ethernet Management Interface (EMI): This model comes with the Enhanced Management Interface (EMI), offering advanced management capabilities. EMI provides administrators with a user-friendly interface to configure and monitor the switch, enhancing overall network control and efficiency.
  • Versatility with 10/100/1000 Ports: The switch is not limited to high-speed connections alone; it also features 10/100/1000 ports, allowing for compatibility with various network devices. This versatility is crucial in heterogeneous network environments where different speed requirements coexist.
  • Rack-Mountable Design: The WS-C4948-10GE-E is designed to fit seamlessly into standard server racks. Its rack-mountable 1U form factor ensures efficient use of space in data centers and network closets, making it a convenient choice for organizations with limited physical footprints.
  • Enhanced Management Capabilities: As an enhanced managed switch, this Catalyst model offers advanced management features such as VLAN (Virtual Local Area Network) support, QoS (Quality of Service) prioritization, and multicast support. These features contribute to a more efficient and organized network infrastructure.


  • Data Center Networking: The high-speed capabilities of the WS-C4948-10GE-E make it an ideal choice for data center environments where rapid data transfer and low latency are critical. Its 48 ports and 10GE connectivity cater to the demands of modern data centers hosting a plethora of servers and storage devices.
  • Enterprise Networking: In enterprise settings, where diverse network requirements exist, the switch's combination of 10/100/1000 ports and 10GE ports provides the flexibility needed to accommodate various devices and applications. Its enhanced management features contribute to maintaining a secure and well-organized network.
  • High-Bandwidth Applications: Applications demanding high bandwidth, such as video streaming, virtualization, and large-scale file transfers, benefit from the WS-C4948-10GE-E's 10-gigabit Ethernet support. This ensures a smooth and responsive user experience for tasks that rely heavily on data throughput.
  • Network Aggregation: With 48 ports, this switch is well-suited for network aggregation tasks, consolidating multiple lower-speed connections into higher-speed uplinks. This capability simplifies network architecture and optimizes performance.

Use Cases

To further illustrate the versatility of the Cisco WS-C4948-10GE-E switch, let's explore some common use cases where this switch can be effectively deployed.

Data Centers

In data center environments where space is at a premium, the 1U rack-mountable design of the Cisco WS-C4948-10GE-E makes it an ideal choice. The high port density and 10-gigabit Ethernet support cater to the demands of data-intensive applications and large-scale server deployments.

Enterprise Networks

For large enterprises with diverse networking needs, the scalability and comprehensive management features of this switch make it a valuable asset. It can easily adapt to the evolving requirements of a growing organization, providing a reliable and high-performance networking solution.

High-Bandwidth Applications

In environments where high-bandwidth applications such as video conferencing, streaming, and virtualization are prevalent, the 10GbE ports of the Cisco WS-C4948-10GE-E ensure smooth and efficient data transfer. This is essential for maintaining a seamless user experience in bandwidth-intensive scenarios.

High-Performance of 48 Ports Switch

The WS-C4948-10GE-E is a Cisco Catalyst switch that provides 48 ports of 10 Gigabit Ethernet connectivity. It is designed for high-performance networking environments and supports features such as VLANs, QoS, and advanced security. Additionally, it is equipped with a redundant power supply and fans for increased reliability. It is also capable of using Cisco's IOS-XE software for advanced network management and control. It is a fixed switch and suitable for a large enterprise network.


The WS-C4948-10GE-E Cisco Catalyst switch is designed for high reliability in networking environments. It features redundant power supplies and fans to ensure that the switch continues to operate even in the event of a power or cooling failure. Additionally, it supports features such as link aggregation and virtual port channels to increase network availability by providing redundancy and load balancing. This switch also supports Cisco's IOS-XE software which allows for advanced network management and control, including the ability to configure and monitor the switch remotely, and also can detect and recover from some of the hardware failures.

General Information of the Cisco WS-C4948-10GE-E Layer3 Switch

  • Manufacturer: Cisco
  • Part Number or SKU# WS-C4948-10GE-E
  • Product Line: Catalyst
  • Product Series: 4900
  • Product Type: Enhanced Switch


  • Total Number of Network Ports: 48
  • Number of Network (RJ-45) Ports: 48
  • Port/Expansion Slot Details: 48 x Gigabit Ethernet Network
  • Form Factor: Rack-mountable


  • Media Type Supported: Twisted Pair
  • Ethernet Technology: Gigabit Ethernet
  • Network Technology: 10/100/1000Base-T

I/O Expansions

  • Number of Total Expansion Slots: 2
  • Expansion Slot Type: X2


  • Layer 4 Switching
  • Layer 3 Switching
  • Layer 2 Switching
  • DHCP Support
  • Auto-negotiation
  • BOOTP Support
  • ARP Support
  • Trunking
  • Cisco Fast EtherChannel
  • VLAN Support
  • Cisco Gigabit EtherChannel
  • IGMP Snooping
  • Manageable
  • MAC Address Filtering

Compliant Standards

  • IEEE 802.3
  • IEEE 802.3u
  • IEEE 802.3z
  • IEEE 802.1d
  • IEEE 802.1q
  • IEEE 802.3ab
  • IEEE 802.1p
  • IEEE 802.3ad (LACP)
  • IEEE 802.1w
  • IEEE 802.1x
  • IEEE 802.1s

Network & Communication

  • Layer Supported: 4

Management & Protocols

  • Manageable: Yes

Finally, the Cisco WS-C4948-10GE-E Catalyst 4948E 10GE EMI switch stands out as a versatile and high-performance networking solution. With its impressive hardware specifications, enhanced management capabilities, and support for advanced networking features, this switch caters to the diverse needs of modern organizations. Whether deployed in data centers, enterprise networks, or environments with high-bandwidth applications, the Cisco WS-C4948-10GE-E excels in providing scalability, reliability, and efficient network performance. As technology continues to evolve, having a robust and adaptable networking infrastructure is essential, and the Cisco WS-C4948-10GE-E proves to be a valuable asset in meeting these demands.

Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

About Refurbished Products

Refurbished products are typically refurbished by an Original Manufacturer or an affiliate of the manufacturer or 3rd party facility. This product may have minor blemishes due to normal product usage and doesn't necessarily come with documentation and software unless indicated, but has been well tested and generally has never had any defects.


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ALLHDD guarantees that the products will not have defects in material that will affect the product's functionality during the Standard Warranty Period. The warranty period starts when the merchandise/items from our warehouse.

What does ALLHDD.Com warranty cover?

30-days to 3 years warranty:

Replacement or refund. In the case of material defects, we will try to replace the product first. The product will be replaced before the expiration of the original warranty. For any failure of hardware, if we cannot process the replacement of the product(s)/model(s), we will refund the original selling/invoiced price. The shipping costs and sales tax, if any, are non-refundable. ALLHDD retains the right to decide whether the item(s) will process for replacement or refund.

What is not covered by our warranty?

The reason why our warranty does not cover any problem caused by the following conditions:

(a) misuse of hardware; accidental damage; carelessness product(s) damage; shock; temperature beyond the specification of any product; faulty installation; operation; modification of goods;

(b) any misuse outside the instructions in the user manual for any specific product;

(c) damaged caused by other hardware or equipment. The warranty will void if the item is returned with physical damage, damage to the retail box, removed from the box, counterfeit labels/labelled by them, or any modifications of internal and external covers. Data loss or damages to any other equipment we do not cover by our offered warranty.

What is the Manufacturer/Brand Warranty?

In general, a manufacturer's warranty service/support is a written guarantee to the buyer of a product. Its terms assure the replacement or repair of the product, if necessary, within a specified period after the purchase (2-5 years depending on the brand/manufacturer). It is typically included in the price of the product. Products are brand new and sealed and the original manufacturer box is complete with the Manufacturer's genuine warranty. For most of the brand new/retail products that come with the manual and box, exceptions may apply (i.e., Cisco, Juniper Networks).

For the server parts (i.e., Dell, HPE) to get Full coverage of the warranty server must have a full 3- 5 years warranty. However, ALLHDD.COM will cover the warranty duration if any Manufacturer doesn't support the advertised warranty and there is no refund for those.
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