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by Cisco
Product Line: Cisco SG500 Series
Product Type: Managed Switch
Original price $0.00 - Original price $836.00
Original price
$0.00 - $836.00
Current price $836.00
Title: Used

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Product Description

The SG500-28MPP-K9 Cisco switch features a total of 28 Gigabit Ethernet ports, including 24 RJ-45 GE ports, 2 Combo GE ports, and 2 1G/5G SFP for flexible connectivity. It supports a forwarding rate of 41.67 Mpps and a switching capacity of 72 Gbps, with a MAC table capacity of 16K addresses and supports up to 4,096 VLANs. The device is designed for efficiency, with 32 MB of flash memory, 256 MB of CPU memory, and an 8 Mb packet buffer, all within a 440 x 44 x 350 mm frame and weighing 5.28 kg.

Key Feature for the SG500-28MPP-K9

  • What is the total number of system ports on this device?
    The device has a total of 28 ports, including 24 Gigabit Ethernet (GE) RJ-45 ports and 4 Gigabit Ethernet ports, comprising 2 Combo GE ports and 2 1G/5G SFP ports.
  • How does the forwarding rate of the switch affect network performance?
    A forwarding rate of 41.67 Mpps (Million packets per second) enables the switch to efficiently handle large amounts of data traffic, reducing latency and improving network performance.
  • What are the dimensions of the device?
    The device measures 440 mm in width, 44 mm in height, and 350 mm in depth.
  • Can you explain the significance of the MAC table size in a network switch?
    A MAC table size of 16K addresses allows the switch to support a large number of connected devices by maintaining a comprehensive list of MAC addresses, facilitating efficient data packet routing.
  • What type of memory is included in the device for its operation?
    The device is equipped with 32 MB of flash memory for storage and 256 MB of CPU memory for processing operations.
  • How many VLANs does this switch support?
    This switch supports up to 4,096 VLANs, allowing for extensive network segmentation and improved security and traffic management.
  • What are the operating temperature ranges for this device?
    The device can operate in temperatures ranging from 0 °C to 50 °C and can be stored in temperatures from -20 °C to 70 °C.
  • What does the switch's packet buffer size indicate about its capabilities?
    An 8 Mb packet buffer helps in managing data flow during high traffic periods, preventing packet loss and ensuring smooth network operation.
  • What is the purpose of the Combo Ports on the switch?
    Combo Ports offer flexibility in network connections, allowing for either RJ-45 or SFP module connectivity to accommodate different network infrastructure requirements.
  • What accessories are included with the switch upon purchase?
    The switch comes with a power cord, mounting kit, quick start guide, and a console cable, providing all necessary components for immediate setup and use.

Product Review

The Cisco SG500-28MPP-K9 offers a solid switching capacity of 72 Gbps and a forwarding rate of 41.67 Mpps, supporting high-bandwidth applications with efficiency. However, with only 32 MB of flash memory and 256 MB of CPU memory, it may struggle in highly demanding, memory-intensive environments. Additionally, the switch provides extensive VLAN support with up to 4,096 VLANs, making it versatile for complex network segmentation tasks.


The Cisco SG500-28MPP-K9 is a managed switch designed to support the demands of growing businesses by providing a solid foundation for their network. It comes with a total of 28 Gigabit Ethernet ports, comprising 24 Gigabit Ethernet RJ-45 ports and four Gigabit Ethernet combo ports. The combo ports offer flexibility with two RJ-45 interfaces and two SFP slots for fiber connectivity, enabling a mix of wired and fiber connections according to the network requirements. This switch boasts a forwarding rate of 41.67 Mpps (million packets per second) and a switching capacity of 72 Gbps, ensuring efficient handling of traffic and preventing network bottlenecks. It supports a MAC address table of 16K addresses, allowing for extensive device connectivity across the network. The device is also capable of handling up to 4,096 VLANs, providing the means to segment the network into smaller, isolated groups to improve performance and security. For networks requiring the transmission of large data packets, the SG500-28MPP-K9 supports jumbo frames of up to 9K bytes, which enhances data transfer rates and reduces the load on the CPU. The switch is equipped with a reset button, multiple LED indicators for power savings, system status, link/activity, PoE status, and speed, ensuring straightforward monitoring and troubleshooting. The hardware specifications include 32 MB of flash memory and 256 MB of CPU memory, with an 8 Mb packet buffer to smoothly process incoming and outgoing data. The physical dimensions are 440 mm in width, 44 mm in height, and 350 mm in depth, with a weight of 5.28 kg, making it suitable for rack-mounted installations. Operational efficiency is maintained across a wide range of temperatures, from 0 °C to 50 °C, with a storage temperature tolerance from -20 °C to 70 °C. The operating and storage relative humidity is supported from 10% to 90%, non-condensing, ensuring the device's reliability in various environmental conditions. The acoustic noise levels are rated at 43.2 dB for temperatures ranging from 0°C to 30°C and increase to 53.2 dB at 50 °C, providing a relatively quiet operation in standard office temperatures. With an MTBF (Mean Time Between Failures) of 171,530 hours, the SG500-28MPP-K9 promises reliability and longevity in operational performance. The package includes a power cord, mounting kit, quick start guide, and console cable, offering everything needed for installation and setup.
  • Total System Ports: 24 GE + 4 GE
  • Forwarding Rate: 41.67 Mpps
  • Switching Capacity: 72 Gbps
Designed for businesses requiring high performance, security, and scalability, the Cisco SG500-28MPP-K9 is a versatile solution that meets the complex needs of modern networks.


Model NumberSG500-28MPP-K9
Total Ports24 Gigabit Ethernet + 4 Gigabit
Gigabit Ethernet Ports24
Hybrid Ports2 Gigabit Ethernet/SFP Combo + 2 1G/5G SFP
Data Transfer Rate41.67 Million packets per second
Switching Bandwidth72 Gigabits per second
MAC Address Capacity16,000
Supported VLANs4096
Maximum Frame Size9000 Bytes
Reset MechanismButton
IndicatorsEnergy Efficient, System Status, Link/Activity, PoE Status, Connection Speed
NAND Storage32 Megabytes
System Memory256 Megabytes
Packet Storage Space8 Megabits
Dimensions440mm x 44mm x 350mm
Mass5.28 kilograms
Operating Temp Range0°C to 50°C
Storage Temp Range-20°C to 70°C
Humidity Range for Operation10% to 90% Non-Condensing
Humidity Range for Storage10% to 90% Non-Condensing
Noise Level43.2 dB from 0°C to 30°C, 53.2 dB at 50°C
Estimated Lifespan171,530 Hours
Included AccessoriesPower Cable, Installation Hardware, Quick Start Manual, Serial Cable

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