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by Cisco
Product Line: Cisco 350 Series
Product Type: Managed Switch
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Original price $0.00 - Original price $0.00
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Current price $0.00
Title: Surplus

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Product Description

The SG350-28P-K9 Cisco switch features 28 Gigabit Ethernet ports, including 24 RJ-45 ports and 4 dual-purpose ports (2 Gigabit Ethernet Combo + 2 SFP), designed to support a diverse range of network architectures. With a switching capacity of 56 Gbps and a forwarding rate of 41.66 Mpps, it efficiently manages network traffic, supported by a MAC table capable of storing 16K addresses and handling up to 4,094 VLANs. This model is engineered for reliability, evidenced by its 117,130 hours MTBF, and comes equipped with 256 MB of flash memory and 512 MB of CPU memory, ensuring smooth operation under a range of conditions with operating temperatures from 0 °C to 50 °C.

FAQs for the SG350-28P-K9

  • What is the total number of system ports on this networking device?
    The device has 28 Gigabit Ethernet ports in total.
  • How many RJ-45 and SFP ports does the model include?
    It includes 24 RJ-45 ports and 4 SFP ports (2 Gigabit Ethernet Combo + 2 SFP).
  • What is the forwarding rate of the device?
    The forwarding rate is 41.66 Mpps.
  • Can you detail the switching capacity?
    The switching capacity of the device is 56 Gbps.
  • What size is the MAC address table?
    The MAC table supports 16K addresses.
  • How many VLANs can be supported?
    The device supports up to 4,094 VLANs.
  • What is the maximum jumbo frame size it can handle?
    It can handle jumbo frames up to 9K bytes.
  • Describe the memory specifications of this device.
    The device has 256 MB of flash memory and 512 MB of CPU memory, with a packet buffer of 1.5 MB.
  • What are the operating temperature ranges?
    The operating temperature ranges from 0 °C to 50 °C.
  • What items come included with this device?
    It comes with a power cord, mounting kit, serial cable, CD-ROM with user documentation, and a quick start guide.

Product Review

The Cisco SG350-28P-K9 offers a solid switching capacity of 56 Gbps and a forwarding rate of 41.66 Mpps, supporting high-speed data processing and efficient traffic management. It supports up to 4,094 VLANs and a MAC table of 16K addresses, allowing for extensive network segmentation and efficient data flow control, crucial for complex network environments. However, the switch operates with a noticeable acoustic noise level of 47.4 dB, which may be a consideration for deployment in quieter office settings.


The Cisco SG350-28P-K9 is a managed switch designed to support a wide range of networking needs. It features 28 Gigabit Ethernet ports, providing high-speed connectivity and efficient traffic management across networks. This switch includes 24 RJ-45 ports for direct cable connections, along with 2 Gigabit Ethernet Combo and 2 SFP (Small Form-Factor Pluggable) ports for fiber optic connections, enhancing its versatility in network setup and expansion. Key specifications of the SG350-28P-K9 include a forwarding rate of 41.66 million packets per second (Mpps) and a switching capacity of 56 Gbps, ensuring smooth data transmission and handling of high-bandwidth applications without bottlenecks. The device is equipped with a MAC (Media Access Control) table capable of holding up to 16K addresses, facilitating efficient network traffic direction and management. The switch supports up to 4,094 VLANs (Virtual Local Area Networks), allowing for extensive network segmentation and improved security. It also accommodates jumbo frames up to 9K bytes, beneficial for reducing overheads in large data transfers. The device includes a reset button for easy rebooting or restoration to factory settings, and it features multiple LEDs indicating system status, link/activity, speed, and PoE (Power over Ethernet) status. For hardware specifications, the SG350-28P-K9 is equipped with 256 MB of flash memory and 512 MB of CPU memory, coupled with a 1.5 MB packet buffer, ensuring efficient data processing and storage. The device measures 440 x 44 x 257 mm and weighs 3.83 kg, making it suitably sized for rack mounting in various environments. Operating conditions for the switch range from 0 °C to 50 °C, with storage temperatures from -20 °C to 70 °C. It is designed to operate in relative humidity levels from 10% to 90% (non-condensing), ensuring reliability in a wide range of environmental conditions. The SG350-28P-K9 also has an acoustic noise level of 47.4 dB and boasts an MTBF (Mean Time Between Failures) of 117,130 hours, underscoring its durability and reliability.
  • Forwarding Rate: 41.66 Mpps
  • Switching Capacity: 56 Gbps
  • MAC Table: 16K Addresses
Included with the Cisco SG350-28P-K9 are a power cord, mounting kit, serial cable, and a CD-ROM containing user documentation, along with a quick start guide to facilitate easy setup and deployment. This switch is designed to meet the demands of small to medium-sized businesses and enterprise branches, offering a comprehensive solution for network management and expansion with its advanced features and flexible connectivity options. Its hardware specifications and included accessories make it a comprehensive package for professionals seeking to enhance their network infrastructure.


Model NumberSG350-28P-K9
Total Network Ports28 Gigabit Ethernet Ports
Ethernet Ports24 RJ-45 Interfaces
Additional Connectivity2 Gigabit Ethernet Combo Ports + 2 SFP Slots
Data Transfer Rate41.66 Million packets per second (Mpps)
Bandwidth56 Gigabits per second (Gbps)
MAC Address Capacity16,000 Entries
Supported VLANsUp to 4,094
Maximum Frame Size9000 Bytes
Factory Reset ButtonYes
Indicator LightsPower, Link/Activity, Speed, Power over Ethernet (PoE)
Internal Storage256 Megabytes (MB)
Processor Memory512 Megabytes (MB)
Buffer Size1.5 Megabytes (MB)
Dimensions440 mm x 44 mm x 257 mm (Width x Height x Depth)
Unit Weight3.83 Kilograms (kg)
Operating Temperature Range0 to 50 degrees Celsius (°C)
Storage Temperature Range-20 to 70 degrees Celsius (°C)
Operational Humidity Range10% to 90% (Non-Condensing)
Storage Humidity Tolerance10% to 90% (Non-Condensing)
Sound Level47.4 decibels (dB)
Mean Time Between Failures (MTBF)117,130 Hours
Included AccessoriesPower Cord, Mounting Hardware, Console Cable, CD-ROM with Documentation, Quick Setup Guide

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