Cisco WS-X4920-GB-RJ45 20 Ports Exp Module
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WS-X4920-GB-RJ45 Cisco Catalyst 20 Ports Expansion Module New

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Part Number#: WS-X4920-GB-RJ45
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Short Description:
WS-X4920-GB-RJ45 20 Ports 1 Gigabyte Per Second (GBPS) Gigabit Ethernet Twisted Pair 10/100/100base-T Data Networking Half Card Expansion Module | Made by Cisco | New Factory Sealed | Call
Product Condition:
New Retail Factory Sealed
Warranty provided by ALLHDD.COM:
90 Days
More Information for the Cisco WS-X4920-GB-RJ45 20 Ports Expansion Module

The WS-X4920-GB-RJ45 is a prominent expansion module designed by Cisco to enhance the capabilities of their Catalyst series. With a focus on providing 20 additional ports, this module is a crucial asset for businesses aiming to expand their network infrastructure. In this comprehensive guide, we will delve into the various aspects of the WS-X4920-GB-RJ45, exploring its features, benefits, installation process, and impact on network performance.

Understanding the WS-X4920-GB-RJ45

The WS-X4920-GB-RJ45 is an expansion module engineered by Cisco Systems, a leading global provider of networking solutions. This module is specifically designed for integration with Cisco Catalyst switches, offering an efficient means to expand the number of available ports for connecting devices to the network.

Key Features
  • Gigabit Ethernet Connectivity: The WS-X4920-GB-RJ45 supports Gigabit Ethernet, ensuring high-speed data transfer within the network. This feature is crucial for modern businesses that rely on quick and seamless communication between devices.
  • 20 Additional Ports: One of the standout features of this expansion module is its capacity to add 20 extra ports to the existing Catalyst switch. This expansion capability is invaluable for businesses experiencing growth or those requiring more connections in their network infrastructure.
  • RJ45 Interface: Equipped with RJ45 interfaces, the WS-X4920-GB-RJ45 ensures compatibility with standard Ethernet cables. This facilitates easy integration into existing network setups without the need for additional specialized equipment.
  • Hot-Swappable Design: Cisco understands the importance of minimizing downtime during upgrades. The WS-X4920-GB-RJ45 boasts a hot-swappable design, allowing for the replacement or addition of modules without disrupting the overall network operation.
Benefits of WS-X4920-GB-RJ45
  • Scalability: One of the primary advantages of incorporating the WS-X4920-GB-RJ45 into a network infrastructure is the scalability it offers. With an additional 20 ports, businesses can easily accommodate the increasing number of devices and users on their network.
  • Enhanced Performance: Gigabit Ethernet support ensures that data can be transmitted at higher speeds, leading to improved overall network performance. This is particularly beneficial for data-intensive tasks such as video streaming, large file transfers, and real-time collaboration.
  • Cost-Effective Expansion: Instead of investing in an entirely new switch, the WS-X4920-GB-RJ45 provides a cost-effective solution for expanding network capacity. This can be especially advantageous for small to medium-sized enterprises looking to optimize their budget while meeting growing connectivity demands.
  • Seamless Integration: The RJ45 interface simplifies the integration process, allowing businesses to seamlessly incorporate the expansion module into their existing network infrastructure. This user-friendly design reduces the complexity of upgrades and installations.
Impact on Network Performance
  • Increased Bandwidth: With 20 additional Gigabit Ethernet ports, the WS-X4920-GB-RJ45 significantly increases the available bandwidth within the network. This results in faster data transfer rates and reduced latency, positively impacting the overall network performance.
  • Efficient Traffic Handling: The expanded capacity provided by the module allows for more efficient handling of network traffic. Businesses can experience improved performance, especially in scenarios where multiple devices are concurrently accessing the network.
  • Facilitates Growth: For businesses anticipating growth in their operations, the WS-X4920-GB-RJ45 serves as a strategic investment. The expanded connectivity options enable seamless onboarding of new devices and users without compromising network performance.
  • Supports High-Intensity Applications: In environments where high-intensity applications such as video conferencing, virtualization, and data backup are prevalent, the WS-X4920-GB-RJ45 ensures that the network can handle the increased demands, providing a smooth user experience.
Interface Provided for Digital Workplace

The WS-X4920-GB-RJ45 Cisco Catalyst 4900M 20-ports half-card expansion module provides 20 Gigabit Ethernet ports for the Cisco Catalyst 4900M switch, which can be used to connect devices in a digital workplace.

The Gigabit Ethernet ports on the module are designed to support high-speed data transfer, which is essential for a digital workplace where large amounts of data need to be transferred between devices. The use of RJ-45 connectors on the ports is also a common and reliable interface for network connections, which helps to ensure that devices can be easily connected to the network.

The module also supports advanced features such as Quality of Service (QoS) and security features, which are essential for a digital workplace. QoS allows for prioritization of the traffic based on the type and the importance of the data, ensuring that the most important data is delivered first, while security features help to protect the network and the data from potential threats.

Additionally, the module is hot-swappable, which means that it can be removed and replaced without having to power off the switch. This allows for minimal downtime and easy maintenance, which is critical in a digital workplace where uptime is essential.

General Information about this Cisco WS-X4920-GB-RJ45
  • Manufacturer: Cisco
  • Part Number or SKU# WS-X4920-GB-RJ45
  • Product Type: Expansion Module
Technical Information of 20 Ports Module
  • Application/Usage: Data Networking
  • Form Factor: Plug-in module
  • Total Number of Ports: 20
  • Connector Type: RJ-45
  • Interfaces/Ports Details: 20 x RJ-45 10/100/1000Base-T LAN
Media & Performance
  • Media Type Supported: Twisted Pair
  • Data Transfer Rate: 1 GBPS
  • Connectivity Technology: Wired
  • Cabling Type: Ethernet 10Base-T, Ethernet 100Base-TX, Ethernet 1000Base-T
  • Data Link Protocol: Ethernet, Fast Ethernet, Gigabit Ethernet
  • Data Transfer Rate: 1 GBPS
  • Status Indicators: Port status, status
  • Full duplex capability, half duplex mode
Expansion / Connectivity
  • Interfaces: 20 x 1000Base-T - RJ-45
  • Compatible Slots: 1 x expansion slot


  • Compatibility: Cisco Catalyst 4900 Series Switches

In general, the WS-X4920-GB-RJ45 Cisco Catalyst 20 Ports Expansion Module stands as a testament to Cisco's commitment to delivering scalable and high-performance networking solutions. With its Gigabit Ethernet support, 20 additional ports, and user-friendly design, this expansion module addresses the evolving connectivity needs of businesses. From seamless integration to tangible improvements in network performance, the WS-X4920-GB-RJ45 proves to be a valuable asset for organizations seeking to optimize their network infrastructure. As technology continues to advance, Cisco's dedication to providing robust and scalable solutions ensures that the WS-X4920-GB-RJ45 remains a relevant and strategic choice for network expansion.

Product Condition:
New Retail Factory Sealed
Warranty provided by ALLHDD.COM:
90 Days

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