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by Cisco
Product Line: Cisco SG300 Series
Product Type: Managed Switch
Sold out
Original price $0.00 - Original price $570.00
Original price
$0.00 - $570.00
Current price $0.00
Title: Surplus

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Product Description

The SG300-52P-K9 Cisco switch features a total of 52 Gigabit Ethernet ports, including 50 RJ-45 ports and 2 combo ports (RJ-45 + SFP), supporting a forwarding rate of 77.38 Mpps and a switching capacity of 104 Gbps. It is equipped with a MAC table capable of storing 16K addresses, supports up to 4,096 VLANs, and handles 9K bytes of jumbo frames for improved network efficiency. The device's hardware is bolstered by 16 MB of flash memory, 128 MB of CPU memory, and a dual 8 Mb packet buffer, all housed within a chassis measuring 440 x 44.45 x 350 mm and weighing 5.3 kg.

Key Feature for the SG300-52P-K9

  • What is the total number of system ports on this network switch?
    The total number of system ports is 52 Gigabit Ethernet ports.
  • How many RJ-45 and Combo ports does the switch feature?
    The switch has 50 RJ-45 ports and 2 Combo ports (RJ-45 + SFP).
  • What is the forwarding rate of the switch?
    The forwarding rate is 77.38 Mpps.
  • Can you specify the switch's switching capacity?
    The switching capacity of the switch is 104 Gbps.
  • How large is the MAC table?
    The MAC table can accommodate 16K addresses.
  • What is the maximum supported VLANs?
    This switch supports up to 4,096 VLANs.
  • What are the Jumbo Frame capabilities of this device?
    The device supports Jumbo Frames up to 9K Bytes.
  • What type of memory and how much is used by the CPU?
    The CPU utilizes 128 MB of memory.
  • What are the physical dimensions and weight of the switch?
    The dimensions are 440 x 44.45 x 350 mm, and it weighs 5.3 kg.
  • What are the operating and storage temperature ranges?
    Operating temperature ranges from 0 °C to 50 °C, and storage temperature ranges from -20 °C to 70 °C.

Product Review

The Cisco SG300-52P-K9 offers a comprehensive feature set with 52 Gigabit Ethernet ports, including 50 RJ-45 ports and 2 combo ports, catering to versatile networking needs with a switching capacity of 104 Gbps and a forwarding rate of 77.38 Mpps, ensuring efficient data handling. However, the limited flash memory of 16 MB could pose constraints for extensive firmware upgrades or advanced feature implementations. Its support for up to 4,096 VLANs and 9K Byte jumbo frames enhances network segmentation and large data packet transmission, making it suitable for complex network environments, though the unit's operational temperature range and acoustic noise level might restrict its deployment in certain settings.


The Cisco SG300-52P-K9 is a managed switch designed to support the needs of growing businesses by providing a reliable network infrastructure. This switch offers 52 Gigabit Ethernet ports, including 50 RJ-45 ports and 2 combo ports that support both RJ-45 and SFP connections, offering flexibility in connecting devices or uplinking to other networks. It is engineered to facilitate a high forwarding rate of 77.38 Mpps (million packets per second) and possesses a switching capacity of 104 Gbps, ensuring efficient handling of traffic even during peak loads. Key hardware specifications include a MAC address table capable of holding up to 16,000 entries, which allows the switch to efficiently manage network traffic and reduce unnecessary broadcast traffic. It also supports up to 4,096 VLANs, enabling segmentation of the network into separate broadcast domains for enhanced security and improved traffic management. The switch's support for jumbo frames up to 9K bytes is vital for optimizing the performance of large data transfers. The SG300-52P-K9 is equipped with a variety of features to ensure operational efficiency and ease of management. These include: - A reset button for quickly returning the device to its default settings. - Multiple LEDs that provide at-a-glance information about system operation, link activity, speed, Power over Ethernet (PoE) status, and an LED power-saving option. - Flash memory of 16 MB and CPU memory of 128 MB, which support the device's advanced features and functionalities. - Dual packet buffers, each 8 Mb, to ensure smooth data transfer and reduce traffic bottlenecks. Physically, the device measures 440 x 44.45 x 350 mm and weighs 5.3 kg, making it suitable for rack mounting in a standard 19-inch rack. It operates reliably across a wide range of temperatures, from 0 °C to 50 °C, and can withstand storage temperatures from -20 °C to 70 °C. The operational relative humidity range is from 10% to 90% (non-condensing), ensuring the switch's performance is not affected by environmental conditions. From an operational reliability standpoint, the SG300-52P-K9 boasts a Mean Time Between Failures (MTBF) of 144,237 hours, indicating its durability and reliability over extended periods of use. The package includes essentials for immediate setup, such as a power cord, mounting kit, serial cable, and a CD-ROM with user documentation, alongside a quick start guide to facilitate easy installation and configuration. In summary, the Cisco SG300-52P-K9 switch combines high port density, flexible connectivity options, and robust performance features in a compact form factor, making it an ideal solution for businesses looking to expand their network infrastructure with a reliable, manageable, and efficient networking hardware solution.


Part Number & Manufacturer Cisco SG300-52P-K9
Overall Ports 52 Gigabit Ethernet Ports
Standard RJ-45 Ports 50
Hybrid Ports (RJ-45 + SFP) 2
Data Processing Rate 77.38 Million Packets per Second (Mpps)
Total Switching Throughput 104 Gigabits per Second (Gbps)
MAC Address Database 16,000 Entries
Supported VLANs Up to 4,096
Maximum Frame Size 9,000 Bytes
Hardware Reset Button Available
Indicator Lights System, Link/Activity, Speed, Power over Ethernet (PoE), Energy-efficient LED Option
Internal Storage 16 MB Flash
System Memory 128 MB
Buffer Memory 16 Mb Distributed
Dimensions 440 x 44.45 x 350 mm (Width x Height x Depth)
Unit Weight 5.3 Kilograms
Operational Temperature Range 0 to 50 °C
Storage Temperature Range -20 to 70 °C
Operational Humidity Range 10% to 90% (Non-Condensing)
Storage Humidity Range 10% to 90% (Non-Condensing)
Sound Emission Not Applicable
Mean Time Between Failures (MTBF) 144,237 Hours
Included Accessories Power Cable, Rack Mount Kit, Console Cable, Documentation CD, Quick Installation Guide

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