Cisco SG550X-24P-K9 24 Ports Switch
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Cisco SG550X-24P-K9 24 Ports Stackable Switch Layer 3 Refurbished

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Part Number#: SG550X-24P-K9
List Price was: $15269.23
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Short Description:
SG550X-24P-K9 Small Business SG550X-24P 24-Ports 10/100/1000Base-T 1 Gigabytes Per Second (GBPS) Power Over Ethernet Plus (PoE+) Managed Layer 3 Rack-mountable with combo Gigabit Small Form-Factor Pluggable Plus (SFP+) Switch | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days
Product Details of the Cisco 24 Ports Stackable Switch

In the ever-evolving landscape of networking, the Cisco SG550X-24P-K9 emerges as a robust solution, offering advanced features in a 24-port stackable switch. This Layer 3 managed switch is designed to meet the demands of modern businesses, providing a reliable and scalable network infrastructure. In this detailed exploration, we will delve into the key aspects of the Cisco SG550X-24P-K9, examining its features, capabilities, and how it stands out in the competitive market.

Introduction to Cisco SG550X-24P-K9

The Cisco SG550X-24P-K9 is a cutting-edge 24-port stackable switch designed to cater to the evolving needs of modern networking. It falls under the category of Layer 3 managed switches, making it suitable for businesses and enterprises seeking robust, scalable, and feature-rich network infrastructure.

Physical Design

The switch comes with a sleek and durable physical design, embodying Cisco's commitment to both aesthetics and functionality. With 24 ports, it strikes a balance between port density and manageability, making it an ideal choice for various networking scenarios.

24 Ports for Versatile Connectivity

The Cisco SG550X-24P-K9 boasts 24 Gigabit Ethernet ports, providing ample connectivity options for a range of devices such as computers, servers, printers, and other networked peripherals. This high port density ensures that businesses can expand their networks without compromising on performance.

Stackable Architecture for Scalability

One standout feature of this switch is its stackable architecture. Businesses can stack multiple units together, forming a unified and easily managed network infrastructure. This scalability is crucial for growing enterprises, allowing them to adapt to changing network demands seamlessly.

Layer 3 Management Capabilities

As a Layer 3 managed switch, the Cisco SG550X-24P-K9 goes beyond the basic functionality of Layer 2 switches. It can route traffic based on IP addresses, providing enhanced control over network traffic and facilitating efficient communication between different subnets.

Power over Ethernet (PoE) Support

The inclusion of Power over Ethernet (PoE) support is a notable feature, particularly for organizations looking to power network devices such as IP cameras, VoIP phones, and wireless access points directly through the switch. This eliminates the need for additional power sources and simplifies cable management.

Robust Security Features

Security is paramount in any networking environment, and the Cisco SG550X-24P-K9 doesn't disappoint. It comes equipped with advanced security features such as Access Control Lists (ACLs), 802.1X authentication, and Secure Shell (SSH) for secure remote management, ensuring that data remains protected from unauthorized access.

Quality of Service (QoS) Prioritization

To optimize network performance, the switch supports Quality of Service (QoS) prioritization. This enables administrators to prioritize certain types of traffic, ensuring that critical applications receive the necessary bandwidth and minimizing latency for a smoother user experience.

Managing a network shouldn't be a daunting task, and the Cisco SG550X-24P-K9 simplifies this with its intuitive management interface. Whether accessed through a web-based interface or a command-line interface (CLI), administrators can configure, monitor, and troubleshoot the switch with ease.

Key Features24 Ports for Seamless Connectivity

The SG550X-24P-K9 boasts 24 ports, providing ample connectivity for various devices within your network. These ports support Power over Ethernet (PoE), simplifying the deployment of devices like IP cameras, phones, and access points.

Stackable Design

The switch's stackable design enhances scalability, allowing businesses to expand their networks seamlessly. Stackable switches enable simplified management and provide redundancy, ensuring network reliability.

The Layer 3 management capability of the SG550X-24P-K9 adds intelligence to network operations. This allows for efficient routing and ensures optimal traffic flow, supporting the creation of VLANs and improving overall network performance.

Gigabit Ethernet Speeds

Equipped with Gigabit Ethernet ports, the switch delivers high-speed data transfer, minimizing latency and supporting bandwidth-intensive applications. This makes it an ideal choice for businesses with demanding networking requirements.

PoE+ Support

The Power over Ethernet Plus (PoE+) support simplifies the deployment of devices by delivering both data and power over a single Ethernet cable. This feature is particularly beneficial for organizations looking to implement a cost-effective and streamlined network infrastructure.

Redundancy and Resilience

The SG550X-24P-K9 incorporates redundancy features to ensure network resilience. Dual power supply options and link aggregation capabilities contribute to a reliable network infrastructure that minimizes downtime and enhances overall system availability.

Benefits of Cisco SG550X-24P-K9 in Networking EnvironmentsEnhanced Network Performance

With 24 Gigabit Ethernet ports, stackable architecture, and Layer 3 management capabilities, the Cisco SG550X-24P-K9 contributes to enhanced network performance. It efficiently handles data traffic, reduces bottlenecks, and ensures a smooth flow of information across the network.

Scalability for Growing Businesses

The stackable nature of the switch makes it an ideal choice for businesses experiencing growth. Adding more units to the stack is a seamless process, allowing organizations to scale their networks in tandem with their expanding requirements without overhauling the entire infrastructure.

Simplified Power

Power over Ethernet (PoE) support simplifies power management by enabling the switch to provide power to connected devices. This is especially beneficial for devices like IP cameras and wireless access points, reducing the need for separate power sources and streamlining the installation process.

Robust Security Measures

In an era where cyber threats are omnipresent, the Cisco SG550X-24P-K9 stands as a fortress with its robust security features. From access control to secure remote management, the switch ensures that sensitive data remains protected, contributing to a secure networking environment.

Optimal Traffic Prioritization

Quality of Service (QoS) prioritization is a key benefit for organizations that rely on real-time applications or services. By prioritizing critical traffic, the switch helps in maintaining optimal performance for applications such as VoIP and video conferencing, enhancing the overall user experience.

General Information about the Cisco SG550X-24P-K9
  • Manufacturer: Cisco
  • Model Number or SKU# SG550X-24P-K9
  • Product Series: 550X
  • Product Type: Layer 3 Switch
Interfaces and Ports of Layer 3 Switch
  • Total Number of Network Ports: 24
  • Uplink Port: Yes
  • Modular: Yes
  • Stack Port: Yes
Port Details
  • 4 x 10 Gigabit Ethernet Expansion Slot
  • 2 x 10 Gigabit Ethernet Uplink
  • 24 x Gigabit Ethernet Network
  • Forwarding Performance (64-byte packet size): 95.23 Mpps
  • Switching Capacity: 128 Gbps
  • MAC Address Table Size: 16K entries
  • Jumbo Frame Support: 9216 bytes
Media Type & Technical Information
  • Media Type Supported: Twisted Pair, Optical Fiber
  • Ethernet Technology: 10 Gigabit Ethernet, Gigabit Ethernet
  • Network Technology: 10GBase-T, 10/100/1000Base-T, 10GBase-X
I/O Expansions
  • Number of Total Expansion Slots: 4
  • Expansion Slot Type: SFP+
  • Shared SFP Slot: Yes
  • Number of SFP+ Slots: 4


  • RAM: 256 MB
  • Flash Memory: 32 MB

Network & Communication

  • Layer Supported: 3

Management & Protocols

  • Manageable: Yes
  • Networking Protocol: PoE+
  • Routing Protocol: Static IP routing
  • Remote Management Protocol: SNMP 1, SNMP 3, SNMP 2c, HTTP, HTTPS

Power Description

  • Power Source: Power Supply
  • PoE Budget: 195W
  • Power: 100 - 240V 47 - 63 Hz, internal, universal
  • Consumption: 110V=49.4W, 220V=50.1W
  • Redundant Power Supply Supported: No


  • Package Contents:
  • SG550X-24P Layer 3 Switch
  • Power Cord
  • Cables Included: 1 x serial cable
  • Rack Mounting Kit Included
  • MTBF: 299,949 hours
  • CD-ROM with User Documentation (PDF)
  • Quick Start Guide

Compliant Standards

  • IEEE 802.3, IEEE 802.3u, IEEE 802.3z, IEEE 802.1D, IEEE 802.1Q, IEEE 802.3ab, IEEE 802.1p, IEEE 802.3af, IEEE 802.3x, IEEE 802.3ad (LACP), IEEE 802.1w, IEEE 802.1x, IEEE 802.1s, IEEE 802.3at, IEEE 802.3az

In summary, the Cisco SG550X-24P-K9 is a formidable player in the realm of networking switches. Its combination of 24 ports, stackable architecture, Layer 3 management capabilities, and a plethora of advanced features positions it as a versatile solution for businesses and enterprises seeking a reliable and scalable network infrastructure. As technology continues to evolve, having a switch that can adapt and grow with the network's demands is paramount, and the Cisco SG550X-24P-K9 does just that, offering a robust foundation for modern networking needs.

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.

Here, you can check more available conditions of your desired product SG550X-24P-K9 at a competitive price. We are trying our best to meet your needs on the enterprise-level computer, server, data centre, and networking hardware. You are welcome to ask our live chat or get live representative support over the phone.


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