Cisco SG550X-24P-K9-NA 24 Ports Switch
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SG550X-24P-K9-NA Cisco SG550X-24P 24-Ports Gigabit PoE Refurbished

Availability: In Stock
Part Number#: SG550X-24P-K9-NA
List Price was: $6434.62
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Short Description:
SG550X-24P-K9-NA Small Business 24 Ports 10/100/1000Base-T 1Gbps PoE+ Rack-mountable 2 combo Gigabit SFP+ Ports Twisted Pair Optical Fiber Managed Layer 3 Switch | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

More Information

The SG550X-24P-K9-NA Cisco SG550X-24P is a 24-port stackable managed switch that provides advanced features and performance for small to medium-sized businesses.

Some key features of this switch include:

  • 24 Gigabit Ethernet ports: The switch has 24 Gigabit Ethernet ports that provide high-speed connectivity for devices such as servers, printers, and IP phones.
  • Stackable design: The switch can be stacked with other Cisco SG550X-24P switches, allowing for easy expansion and management of a larger network.
  • Advanced security: The switch supports advanced security features such as access control lists, port security, and VPN.
  • Quality of Service (QoS): The switch supports QoS, which allows for prioritization of network traffic, ensuring that mission-critical applications receive the bandwidth they need.
  • Easy configuration and management: The switch can be easily configured and managed using the Cisco SmartPort macros, which provide pre-configured settings for different types of devices.
  • Energy Efficient Ethernet (EEE): The switch supports EEE which helps to save energy costs and reduce power consumption.
  • Limited Lifetime Warranty: The switch comes with a limited lifetime warranty, providing peace of mind and protection for the customers.
  • Support for Cisco DNA Advantage: The switch supports Cisco DNA Advantage, which provides network automation, security, and analytics features to help customers simplify network management and reduce costs.

Compliant Standards

The SG550X-24P-K9-NA Cisco SG550X-24P 24-Ports Stackable Managed Switch complies with the following standards:

  • UL 60950-1: Safety of Information Technology Equipment
  • IEC 60950-1: Safety of Information Technology Equipment
  • EN 60950-1: Safety of Information Technology Equipment
  • UL/cUL Listed, CSA Certified
  • FCC Class A, CE Mark
  • RoHS compliant
  • Energy Star compliant
  • WEEE compliant
  • Cisco EnergyWise compliant
  • Cisco E-Waste compliant
  • IEEE 802.3: Ethernet Standards
  • IEEE 802.3u: Fast Ethernet Standards
  • IEEE 802.3ab: Gigabit Ethernet Standards
  • IEEE 802.3x: Flow Control Standards
  • IEEE 802.3ad: Link Aggregation Control Protocol (LACP)
  • IEEE 802.1D: Spanning Tree Protocol (STP)
  • IEEE 802.1w: Rapid Spanning Tree Protocol (RSTP)
  • IEEE 802.1s: Multiple Spanning Tree Protocol (MSTP)
  • IEEE 802.1Q: Virtual LANs (VLANs)
  • IEEE 802.1p: Quality of Service (QoS)
  • IEEE 802.3at: Power over Ethernet Plus (PoE+)
  • IPv4 and IPv6 standards
  • SNMP v1, v2c, v3 standards
  • RMON standards
  • LLDP and LLDP-MED standards

This switch is designed to meet the needs of various industries and comply with the latest standards and protocols. It provides reliable and secure network connections with advanced features and flexibility, allowing for easy scalability and management.


The SG550X-24P-K9-NA Cisco SG550X-24P 24-Ports Stackable Managed Switch is a highly reliable and robust device. It offers several features that contribute to its reliability:

  • Redundant power supplies: The switch is equipped with redundant power supplies, which ensures that the device will continue to operate even if one power supply fails. This minimizes downtime and ensures that the switch remains available for use.
  • Stackable design: The switch is designed to be stackable, which means that multiple switches can be connected together to form a single logical device. This increases the overall reliability of the network by providing redundancy and failover capabilities.
  • Quality of Service (QoS): The switch offers advanced Quality of Service (QoS) features that allow administrators to prioritize traffic and ensure that critical applications receive the bandwidth they need. This helps to prevent congestion and ensure that the switch remains available for use.
  • Advanced security features: The switch offers advanced security features such as access control lists (ACLs), network admission control (NAC), and IEEE 802.1X authentication. These features help to protect the network from unauthorized access and ensure that only authorized users can access the switch.
  • Advanced monitoring and management: The switch offers advanced monitoring and management features such as SNMP, RMON, and a web-based graphical user interface (GUI). These features allow administrators to monitor the switch in real-time, detect potential issues, and take proactive measures to prevent downtime.

Main Specification about this Cisco SG550X-24P-K9-NA

  • Manufacturer: Cisco
  • Model Number or SKU# SG550X-24P-K9-NA
  • Product Series 550X
  • Product Type Layer 3 Switch

Interfaces / Ports of Managed Switch

  • Total Number of Network Ports 24
  • Uplink Port Yes
  • Modular Yes
  • Stack Port Yes
  • Port/Expansion Slot Details 4 x 10 Gigabit Ethernet Expansion Slot
  • Port/Expansion Slot Details 2 x 10 Gigabit Ethernet Uplink
  • Port/Expansion Slot Details 24 x Gigabit Ethernet Network

Performance for 24 Ports Switch Module

  • 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
  • Media Type Supported Optical Fiber
  • Ethernet Technology 10 Gigabit Ethernet
  • Ethernet Technology Gigabit Ethernet
  • Network Technology 10GBase-T
  • Network Technology 10/100/1000Base-T
  • Network Technology 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

Dimensions & Weight

  • Width : 17.3 Inch
  • Depth : 13.8 Inch
  • Height : 1.7 Inch
  • Weight : 10.41 lbs

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
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-NA 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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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.
Final Sale items are non-returnable/refundable in any situation. Any question? please ask our team before the shipment.

Important notes:

We can provide additional warranty service/support for any product you purchase from us if you need additional warranty coverage before finalizing the order from ALLHDD.Com. You need to ask in live chat/help or call us for more information.

Individual product warranty mentioned on each item product description page/detail page.

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FedEx Shipping Options:

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Worldwide Shipping Options:

UPS®/FedEx® International Economy

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UPS®/FedEx® International Priority

Estimated delivery time: 2-4 business days

UPS®/FedEx® Ground Shipping Canada

Estimated delivery time: 5-8 business days

Important notes:

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