SG300-52MP-K9-NA Cisco 52-Port Managed Switch Small Business

Cisco SG300-52MP-K9-NA Small Business Ethernet Switch

The Cisco SG300-52MP-K9-NA Small Business switch is a high-capacity, enterprise-grade networking solution designed to deliver consistent performance, advanced control, and reliable Power over Ethernet Plus functionality. Built for growing business environments, this managed Layer 3 switch combines intelligent traffic handling, scalable connectivity, and simplified administration to support modern network demands.

General Product Information

• Brand: Cisco
• Model Number: SG300-52MP-K9-NA
• Series: Cisco 300 Series
• Product Category: Managed Ethernet Switch
• Switch Type: Layer 3

Port and Connectivity Options

• Total Ethernet Ports: 52
• PoE+ Enabled RJ-45 Ports: 52
• Management Port: Available
• Token Ring Support: Not Supported
• LRE Connectivity: Not Included

Switching Performance and Media Compatibility

• Ethernet Technology: Gigabit Ethernet
• Network Standards: 10/100/1000Base-T
• Supported Media: Twisted Pair
• Recommended Cable Type: Category 

Expansion Slots and Uplink Flexibility

• Total Expansion Slots: 2
• Expansion Slot Type: SFP
• Shared SFP Ports: Yes
• Number of SFP Slots: 2

Layer 3 Switching and Network Intelligence

• Supported Network Layer: Layer 3
• Enhanced Routing Capabilities
• Improved Traffic Segmentation

Memory and System Resources

• Standard System Memory: 128 MB
• Flash Storage Capacity: 16 MB

Reliability, Power, and Electrical Specifications

• Mean Time Between Failures: 117,130 Hours
• Power Source Type: Internal Power Supply
• Input Voltage Options: 110 V or 220 V
• Redundant Power Supply: Not Available

Cisco SG300-52MP-K9-NA Small Business Managed Switching

The Cisco SG300-52MP-K9-NA Small Business 52 Ports Ethernet Switch belongs to a specialized category of managed network switches designed to support growing business infrastructures that require stability, advanced control, and Power over Ethernet capabilities. This category focuses on delivering enterprise-inspired features within an accessible and scalable framework, enabling organizations to optimize wired connectivity, support converged networks, and maintain operational efficiency across multiple departments and locations.

Positioning Within the Small Business Managed Switch Segment

Managed switches in the small business segment bridge the gap between unmanaged plug-and-play devices and complex enterprise-grade switching platforms. The SG300-52MP-K9-NA category emphasizes centralized management, network segmentation, traffic prioritization, and enhanced security while maintaining simplified deployment. These switches are engineered to address the connectivity demands of modern offices, retail environments, educational facilities, hospitality networks, and distributed branch locations.

Role of 52-Port High-Density Switching

High-density Ethernet switching plays a critical role in environments where multiple endpoints must be connected simultaneously. A 52-port configuration supports extensive wired device connectivity, including desktop systems, network printers, IP cameras, wireless access points, and VoIP phones. This density reduces the need for additional switching hardware, simplifies rack layouts, and enables efficient cable management while ensuring sufficient capacity for both current and future network expansion.

Scalability for Expanding Network Topologies

The SG300-52MP-K9-NA category addresses scalability by supporting expanding network topologies without requiring architectural redesign. Businesses can accommodate new workstations, IoT devices, and power-dependent endpoints while maintaining consistent performance. This scalability is essential for organizations experiencing organic growth, seasonal workforce changes, or increased reliance on network-based applications.

Power over Ethernet Switching Capabilities

One of the defining characteristics of the Cisco SG300-52MP-K9-NA category is integrated Power over Ethernet functionality. PoE support allows both data and electrical power to be transmitted over a single Ethernet cable, eliminating the need for separate power adapters and reducing infrastructure complexity. This capability is particularly valuable in environments deploying network-connected devices in locations where electrical outlets may be limited or impractical.

Support for VoIP and Unified Communications

PoE-enabled managed switches are fundamental to reliable VoIP deployments. The SG300-52MP-K9-NA category is optimized to support IP telephony by delivering consistent power and prioritizing voice traffic through advanced Quality of Service mechanisms. This ensures clear call quality, reduced latency, and uninterrupted communication, even during periods of high network utilization.

Wireless Access Point Integration

Modern wireless networks rely heavily on PoE-capable switches to power access points distributed throughout a facility. The SG300-52MP-K9-NA category supports centralized wireless deployments by enabling simplified installation and remote power management. This approach allows IT administrators to deploy access points in optimal coverage locations without being constrained by power availability.

Security Camera and IoT Device Support

Surveillance systems and Internet of Things devices increasingly depend on PoE for continuous operation. Switches within this category provide reliable power delivery and network connectivity to IP cameras, access control systems, sensors, and automation equipment. Centralized power management enhances uptime, monitoring, and troubleshooting capabilities across these critical systems.

Layer 3 and Advanced Management Features

The Cisco SG300-52MP-K9-NA category includes managed switching features that extend beyond basic Layer 2 functionality. Layer 3 capabilities enable inter-VLAN routing, simplifying network design and improving performance by allowing traffic to be routed directly within the switch. This reduces dependency on external routers for internal traffic flow.

VLAN Segmentation and Traffic Isolation

Virtual LAN support is a cornerstone of managed switching. This category allows organizations to segment network traffic based on department, application, or security requirement. VLAN segmentation enhances performance by reducing broadcast domains and improves security by isolating sensitive data flows from general network traffic.

Quality of Service for Application Prioritization

Quality of Service features ensure that time-sensitive applications receive priority bandwidth. The SG300-52MP-K9-NA category supports traffic classification and prioritization, enabling smooth operation of voice, video, and real-time collaboration tools. This is particularly important in mixed-use networks where data-intensive applications coexist with latency-sensitive services.

Security Enhancements for Business Networks

Network security is a critical consideration for small and medium-sized organizations. The Cisco SG300-52MP-K9-NA category integrates multiple security features that help protect network infrastructure from unauthorized access, internal misuse, and external threats.

Access Control and Authentication

Port-based access control mechanisms restrict network access to authorized devices and users. By enforcing authentication policies at the switch level, organizations can prevent unauthorized endpoints from connecting to the network. This enhances overall security posture without requiring complex external security appliances.

Traffic Filtering and Network Protection

Advanced filtering capabilities enable administrators to control traffic flows and mitigate potential threats. By defining policies that regulate communication between network segments, the SG300-52MP-K9-NA category helps reduce the attack surface and limits the spread of malicious activity within the network.

Secure Management Interfaces

Secure management protocols protect administrative access to the switch configuration. Encrypted communication channels and role-based access controls ensure that only authorized personnel can modify network settings, reducing the risk of configuration errors or malicious changes.

Reliability and Performance Optimization

Reliability is a key requirement for business-critical networking equipment. The Cisco SG300-52MP-K9-NA category is engineered to deliver consistent performance under sustained workloads, supporting high-throughput data transfers and multiple simultaneous connections without degradation.

High Switching Capacity and Throughput

Switches within this category are designed to handle high volumes of network traffic efficiently. Ample switching capacity ensures that data packets are forwarded quickly, minimizing bottlenecks and maintaining smooth application performance across all connected devices.

Redundancy and Network Resilience

Network resilience is enhanced through features that support link aggregation and failover. By combining multiple physical links into a single logical connection, organizations can increase bandwidth and maintain connectivity even if one link fails. This approach contributes to higher availability and reduced downtime.

Consistent Power Delivery for Connected Devices

Reliable PoE delivery is essential for devices that depend entirely on network power. The SG300-52MP-K9-NA category ensures stable power output across all supported ports, helping maintain uninterrupted operation of phones, cameras, and access points during normal network conditions.

Deployment Flexibility and Network Design

The Cisco SG300-52MP-K9-NA category supports flexible deployment scenarios, making it suitable for a wide range of physical and logical network designs. Whether installed in a centralized data closet or distributed across multiple floors, these switches adapt to varying infrastructure requirements.

Rack-Mountable and Professional Form Factor

Professional form factor design allows seamless integration into standard network racks. This supports organized cabling, efficient airflow, and compatibility with existing networking equipment, contributing to a clean and manageable installation environment.

Support for Distributed Network Architectures

Businesses with multiple departments or branch offices benefit from switches that support distributed architectures. The SG300-52MP-K9-NA category enables consistent configuration and policy enforcement across locations, supporting unified network management strategies.

Future-Proofing Business Connectivity

By combining high port density, PoE capabilities, and advanced management features, this category helps future-proof business networks. Organizations can adopt new technologies, expand device counts, and increase application demands without replacing core switching infrastructure.

Use Case Alignment Across Industries

The Cisco SG300-52MP-K9-NA Small Business 52 Ports Ethernet Switch category is applicable across diverse industries. Retail environments rely on these switches for point-of-sale systems, surveillance, and wireless connectivity. Educational institutions use them to support classrooms, administrative offices, and campus-wide networks.

Hospitality and Service Industry Networks

Hotels, restaurants, and service providers benefit from PoE-enabled managed switches that support guest Wi-Fi, IP telephony, and security systems. Centralized management simplifies operations and ensures consistent service quality for guests and staff.