Cisco SG300-52P-K9 52 Ports Switch
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Cisco SG300-52P-K9 52 Ports Layer 3 Managed Switch Refurbished

Availability: In Stock
Part Number#: SG300-52P-K9
List Price was: $2465.38
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Short Description:
SG300-52P-K9 Small Business SG300-52P 50 Power Over Ethernet Plus (PoE+) Ethernet Ports & 2 Combo Gigabit Small Form-Factor Pluggable (SFP) Ports Twisted Pair Layer 3 Managed Switch | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days
Product Overview of the Cisco SG300-52P-K9 Small Business SG300-52P Switch

The Cisco SG300-52P-K9 Small Business SG300-52P is a high-performance networking device designed to manage and optimize data transfer within a network. It's a sophisticated switch offering a range of ports and functionalities, making it ideal for small to medium-sized businesses seeking reliable network connectivity.

Port 50 Power Over Ethernet Plus (PoE+) Ethernet Ports & 2 Combo Gigabit SFP Ports

This Cisco switch boasts an impressive 50 Power Over Ethernet Plus (PoE+) Ethernet ports. These ports allow devices like IP phones, wireless access points, and IP cameras to receive power and data over a single Ethernet cable, reducing clutter and simplifying connectivity.

Additionally, the switch features 2 Combo Gigabit Small Form-Factor Pluggable (SFP) ports, offering flexibility in connecting to other networking devices through fiber optic or Ethernet cables. These combo ports enable efficient data transfer and expand the switch's compatibility with various networking infrastructures.

Twisted Pair and Layer 3 Managed Capabilities

Utilizing twisted pair technology, the Cisco SG300-52P-K9 facilitates data transmission through copper cabling, providing reliable and cost-effective connectivity within the network. Moreover, its Layer 3 managed capabilities empower administrators to efficiently control traffic flow, optimize network performance, and enhance security measures.

Key Features and Benefits
  • Enhanced Power Over Ethernet (PoE+): The PoE+ capability of this switch simplifies the deployment of network devices by delivering power and data over a single cable, reducing the need for additional power sources.
  • Flexibility with Combo Ports: The inclusion of Combo Gigabit SFP ports offers versatility in networking setups, allowing connections through various media types like fiber optic cables or Ethernet cables.
  • Managed Capabilities: The Layer 3 management features grant administrators control over the network traffic, aiding in better organization, security implementation, and performance optimization.
  • Scalability and Reliability: With 50 Ethernet ports and additional SFP ports, this switch is built for scalability, accommodating the growing needs of a business network while ensuring reliable connectivity.
Use Cases and Applications

The Cisco SG300-52P-K9 switch finds applications across various industries and scenarios:

  • Office Environments: Perfect for small to medium-sized offices requiring a reliable and manageable network infrastructure to support multiple devices and services.
  • Surveillance Systems: Ideal for setting up surveillance networks due to its PoE+ capability, powering IP cameras and enabling seamless data transfer.
  • Educational Institutions: Suitable for schools or universities needing a robust network infrastructure to support student and faculty devices while ensuring smooth data flow.

Benefits of Layer 3 Switch

A Layer 3 switch is a type of networking device that is capable of routing traffic based on the IP addresses of the devices on a network. It functions similarly to a traditional router, but it is faster and more efficient because it operates at the OSI model's data link layer (layer 2) and network layer (layer 3).

Some benefits of using a Layer 3 switch, like the SG300-52P-K9, include:

  • Improved performance: Because Layer 3 switches operate at a lower level of the OSI model than traditional routers, they are able to process and route traffic more quickly and efficiently. This can result in faster network performance and less latency.
  • Simplified network design: A Layer 3 switch can handle the routing and switching functions for a network, which means you can use a single device to manage both tasks. This can simplify network design and reduce the number of devices you need to purchase and maintain.
  • Advanced features: Many Layer 3 switches, like the model, offer a range of advanced features such as Quality of Service (QoS), VLANs, and advanced security features. These features can help you to better manage and secure your network.
  • Improved scalability: A Layer 3 switch is capable of handling larger networks with more devices and traffic. This can make it easier to scale your network as your business grows.
General Information about the Cisco SG300-52P-K9
  • Manufacturer: Cisco
  • Part Number or SKU# SG300-52P-K9
  • Product Series: 300
  • Product Model: SG300-52P
  • Product Type: Layer 3 Switch
Interfaces/Ports for Layer 3 Switch
  • Total Number of Network Ports 52
  • Token Ring Port No
  • LRE Port No
  • Bypass No
  • Management Port Yes
  • Number of PoE (RJ-45) Ports 52
I/O Expansions of 52 Ports Switch
  • Number of Total Expansion Slots: 2
  • Expansion Slot Type: SFP
  • Shared SFP Slot: Yes
  • Number of SFP Slots: 2
Media & Performance
  • Media Type Supported: Twisted Pair
  • Ethernet Technology: Gigabit Ethernet
  • Network Technology: 10/100/1000Base-T
  • Power Over Ethernet (PoE): PoE+
  • PoE Budget: 375 W
  • Switching capacity: 104 GBPS
  • Forwarding performance (64-byte packet size): 77.38 MPPS
  • Capacity ACL rules: up to 512
  • MAC Address Table Size: 8K entries
  • Jumbo Frame Support: 10KB
  • Routing Protocol: Static IPv4 routing
  • Remote Management Protocol: SNMP 1, RMON 1, RMON 2, RMON 3, RMON 9, Telnet, SNMP 3, SNMP 2c, HTTP, HTTPS, SSH, CLI
  • 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
  • Layer 3 switching, layer 2 switching, DHCP support, 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, Spanning Tree Protocol (STP) support, Rapid Spanning Tree Protocol (RSTP) support, Multiple Spanning Tree Protocol (MSTP) support, Trivial File Transfer Protocol (TFTP) support, Access Control List (ACL) support, Quality of Service (QoS), Jumbo Frames support, MLD snooping
Network & Communication
  • Layer Supported 3

Management & Protocols

  • Manageable Yes
  • Management –
  • Web-based Management
  • CLI
  • Telnet
  • QoS
  • DHCP
  • MIB
  • RMON
  • VLAN
  • Syslog
  • SNMP v1, v2c, v3


  • RAM: 128 MB
  • Flash Memory: 16 MB

Power Description

  • PoE (RJ-45) Port Yes
  • Input Voltage 220 V
  • Input Voltage 110 V
  • Power Source Power Supply
  • Redundant Power Supply Supported No

Environmental Parameters

  • Min Operating Temperature: 32 °F
  • Max Operating Temperature: 104 °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)


  • Power Cord
  • Mounting Hardware
  • Serial Cable
  • CD-ROM with User Documentation (PDF)
  • Quick Start Guide

In summary, the Cisco SG300-52P-K9 Small Business SG300-52P switch is a versatile and robust networking solution that offers an array of features including PoE+ Ethernet ports, Combo Gigabit SFP ports, managed capabilities, and scalability. It caters to the networking needs of small to medium-sized businesses, offering reliability, flexibility, and enhanced performance for diverse applications.

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 SG300-52P-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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