Cisco SG500X-48MP-K9 48 Ports Switch
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SG500X-48MP-K9 Cisco SG500X-48 Layer 3 Switch Manageable Refurbished

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Part Number#: SG500X-48MP-K9
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Short Description:
SG500X-48MP-K9 Small Business SG500X-48MP 48-Ports 10/100/1000Base-T Power over Ethernet Plus (PoE+) Rack-mountable Layer 3 Managed Switch with Combo 10 Gigabit SFP+ | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

Main Specifications of the Switch

The Cisco SG500X-48MP-K9 is a Layer 3 switch that offers a range of specifications to enhance the performance and reliability of your network. Some key specifications of this switch include:

In the dynamic landscape of networking, the Cisco SG500X-48MP-K9 emerges as a robust solution for small businesses seeking a versatile and high-performance switch. This comprehensive review will delve into the intricacies of the Cisco SG500X-48MP-K9, exploring its features, capabilities, and how it stands out in the market.


  • The switch has 48 Gigabit Ethernet ports, 4 10-Gigabit Ethernet ports, and 2 combo mini-GBIC ports for connecting various devices and network segments.

Switching capacity

  • The switch can handle up to 176 Gbps of switching capacity, allowing it to handle large amounts of data traffic and support high-bandwidth applications.


  • The switch has 4GB of flash memory and 512MB of DRAM memory, which is used to store the switch's operating system and configuration files.

Power supply

  • The switch supports redundant power supply options, including an internal power supply and an optional redundant power supply unit.

Energy Efficient Ethernet (EEE)

  • The switch supports EEE which can help you save energy by detecting the amount of traffic on the network and reducing power to inactive ports.

Operating temperature

  • The switch has an operating temperature range of 0 to 40°C (32 to 104°F)

Operating humidity

  • The switch has an operating humidity range of 10 to 90% non-condensing


  • The switch has a mean time between failures (MTBF) of 246,827 hours.

Key Features

Powerful Performance for Small Businesses

  • The Cisco SG500X-48MP-K9 is tailored to meet the networking demands of small businesses. With 48 ports supporting various speeds and PoE+ capabilities, it provides a robust foundation for connecting multiple devices while ensuring efficient power delivery.

Versatile Connectivity Options

  • The inclusion of Combo 10 Gigabit SFP+ ports adds a layer of versatility to the switch. Businesses can choose between 10GbE connections or leverage SFP+ for fiber-optic connectivity, offering flexibility in designing and expanding their network infrastructure.

PoE+ Support: Simplifying Device Powering

  • One standout feature is the Power over Ethernet Plus (PoE+) support. This functionality allows the switch to deliver both data and power to connected devices like IP cameras, VoIP phones, and access points, streamlining cable management and reducing the need for additional power sources.

Rack-Mountable Design: Optimal Space Utilization

  • The rack-mountable design ensures easy integration into existing network setups. This feature is particularly beneficial for businesses looking to maximize space efficiency in data centers or network closets.

Layer 3 Managed: Elevating Network Intelligence

  • The Layer 3 managed capabilities of the SG500X-48MP-K9 bring advanced routing functionalities to the small business environment. This enables efficient traffic handling, improved network segmentation, and enhanced control over data flows.

Capabilities and Performance


  • The Cisco SG500X-48MP-K9 is designed with scalability in mind. Its 48 ports and high-speed capabilities make it suitable for small businesses with room for growth. The switch can accommodate additional devices and users as the network expands, ensuring long-term viability.

Quality of Service (QoS)

  • Quality of Service is paramount in network management, and the SG500X-48MP-K9 excels in this aspect. It supports QoS features that prioritize certain types of traffic, ensuring that critical applications receive the necessary bandwidth, resulting in a more responsive and reliable network.

Security Features

  • Security is a top priority in any networking environment. This Cisco switch comes equipped with advanced security features, including VLAN support, access control lists (ACLs), and secure management options. These features contribute to creating a secure network infrastructure, protecting against unauthorized access and potential threats.

Intuitive Management

  • The switch is managed through an intuitive web-based interface, providing administrators with a user-friendly platform to configure and monitor network settings. Additionally, it supports SNMP (Simple Network Management Protocol), facilitating integration with network management systems for centralized control and monitoring.


  • Cisco is synonymous with reliability in the networking industry, and the SG500X-48MP-K9 lives up to this reputation. With a robust design and built-in redundancy features, including support for link aggregation and spanning tree protocols, the switch ensures minimal downtime and optimal network performance.

Benefits and Features

The Cisco SG500X-48MP-K9 is a Layer 3 switch that offers a range of benefits and features to enhance the performance and reliability of your network. Some key benefits and features of this switch include:

High performance

  • With 48 Gigabit Ethernet ports, 4 10-Gigabit Ethernet ports, and 2 combo mini-GBIC ports, This product can handle high-bandwidth applications and large amounts of data traffic.

Advanced security

  • The switch supports advanced security features such as Access Control Lists (ACLs), Virtual Private Networks (VPNs), and Network Admission Control (NAC) to help protect your network from unauthorized access and threats.

Quality of Service (QoS)

  • The switch allows you to prioritize different types of network traffic, such as voice, video, and data, to ensure that critical applications receive the bandwidth they need.

Easy management

  • The switch includes a web-based interface and Cisco Smartports for easy configuration and management, allowing you to quickly set up and troubleshoot your network.

High availability

  • The switch supports features such as Link Aggregation Control Protocol (LACP) and Rapid Spanning Tree Protocol (RSTP) to help ensure that your network remains up and running in case of a network failure.

Energy Efficient Ethernet (EEE)

  • The switch can help you save energy by detecting the amount of traffic on the network and reducing power to inactive ports.

Remote Management Protocol

The SG500X-48MP-K9 Small Business SG500X-48MP 48-Ports Switch supports several remote management protocols which include:

Simple Network Management Protocol (SNMP)

  • This is a standard protocol for managing and monitoring network devices, it allows administrators to remotely monitor and configure the switch and receive notifications for events such as network failures.


  • Telnet is a remote access protocol that allows administrators to remotely access the command-line interface of the switch, and configure and manage the switch.

Secure Shell (SSH)

  • SSH is a secure version of Telnet, which encrypts all data exchanged between the administrator and the switch, providing secure remote access to the switch.

Web Management

  • The switch also supports web management which allows administrators to remotely access the web interface of the switch and configure and manage the switch.

All of these protocols provide a secure and easy way for remote management, it depends on your network infrastructure and requirement to choose which protocol to use.

Specification about this Cisco SG500X-48MP-K9

  • Manufacturer: Cisco
  • Part Number or SKU# SG500X-48MP-K9
  • Product Series: 500
  • Type: Networking
  • Product Type: Layer 3 Switch


  • Total Network Ports: 48
  • Token Ring Port: No
  • LRE Port: No
  • Bypass: No
  • Modular: No
  • Management Port: Yes
  • USB: No
  • PoE+ (RJ-45) Ports: 48
  • Stack Port: Yes

Port/Expansion Slot Details

  • 48 x Gigabit Ethernet Network
  • 4 x 10 Gigabit Ethernet Expansion Slot

Performance Specifications

  • Compatible Rack Unit: 1U
  • Form Factor: Rack-mountable, Desktop
  • Media Type Supported: Twisted Pair
  • Twisted Pair Cable Standard: Category 5
  • Ethernet Technology: 10 Gigabit Ethernet, Gigabit Ethernet
  • Network Technology: 10/100/1000Base-T, 10GBase-X
  • MTBF: 307,978 Hours

I/O Expansions

  • Number of Total Expansion Slots: 4
  • Expansion Slot Type: SFP+
  • Shared SFP Slot: Yes
  • Number of SFP+ Slots: 4

Environmental Parameters

  • Min Operating Temperature: 32 °F
  • Max Operating Temperature: 122 °F
  • Humidity Range Operating: 10 - 90% (non-condensing)
  • Min Storage Temperature: -4 °F
  • Max Storage Temperature: 158 °F
  • Humidity Range Storage: 10 - 90% (non-condensing)

Network & Communication

  • Layer Supported: 3

Protocol Support

  • Routing Protocol: RIP-2, VRRP, static IPv4 routing, static IPv6 routing, CIDR
  • Remote Management Protocol: SNMP 1, RMON 1, RMON 2, RMON 3, RMON 9, Telnet, SNMP 3, SNMP 2c, HTTP, HTTPS, SSH, CLI


  • Standard Memory: 256 MB
  • Flash Memory: 32 MB

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 802.1ab (LLDP), IEEE 802.3at, IEEE 802.3az


  • Flow control, layer 3 switching, layer 2 switching, BOOTP support, VLAN support, IGMP snooping, Syslog support, DoS attack prevention, port mirroring, DiffServ support, Weighted Round Robin (WRR) queuing, Broadcast Storm Control, IPv6 support, Multicast Storm Control, Unicast Storm Control, firmware upgradable, SNTP support, Spanning Tree Protocol (STP) support, Rapid Spanning Tree Protocol (RSTP) support, Multiple Spanning Tree Protocol (MSTP) support, DHCP snooping, Trivial File Transfer Protocol (TFTP) support, Access Control List (ACL) support, Quality of Service (QoS), Jumbo Frames support, DHCP server, MLD snooping, Dynamic ARP Inspection (DAI), reset button, STP Root Guard, Uni-Directional Link Detection (UDLD), DHCP relay, IP-MAC binding, Energy Efficient Ethernet, Dynamic VLAN Support (GVRP), Class of Service (CoS), Generic Attribute Registration Protocol (GARP), GARP VLAN Registration Protocol (GVRP), DiffServ Code Point (DSCP) support, 4 fans, 2*12MB packet buffer

Power Description

  • PoE (RJ-45) Port: Yes
  • Input Voltage: 230 V AC, 120 V AC
  • Power Source: Power Supply
  • Redundant Power Supply: No

Finally, the Cisco SG500X-48MP-K9 is a powerful and versatile switch designed specifically for small businesses. With its 48 ports, PoE+ support, Layer 3 managed capabilities, and combo 10 Gigabit SFP+ ports, it addresses the networking needs of small enterprises seeking a scalable and efficient solution. Whether it's the streamlined power delivery through PoE+, the intelligent network management at Layer 3, or the future-ready design with combo ports, the Cisco SG500X-48MP-K9

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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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.

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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).

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