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by Cisco
Product Line: Cisco 550X Series
Product Type: Managed Switch
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Title: Surplus

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Product Description

The SG550XG-24T-K9 Cisco features 22 10 GE copper network ports and 2 Combo 10 GE Copper/SFP+ uplink ports, with a forwarding rate of 357.12 Mpps and a switching capacity of 320 Gbps. It supports a MAC table of 32K addresses, 4,094 VLANs, and jumbo frames up to 9K bytes, alongside a 256 MB flash memory and a 256 MB CPU memory. Designed for efficiency and scalability, the unit measures 440 x 44 x 450 mm, weighs 6.38 kg, operates within temperatures of 0 °C to 50 °C, and boasts an MTBF of 217,465 hours.

FAQs for the SG550XG-24T-K9

  • What is the total number of system ports available on this device?
    The device features 22 total system ports, comprising 20 10 GE Copper ports, 2 Combo 10 GE Copper/SFP+ ports, and 1 GE OOB Management port.
  • How many MAC addresses can the MAC table hold?
    The MAC table supports up to 32K addresses.
  • Can you detail the forwarding rate and switching capacity?
    The forwarding rate is 357.12 Mpps, and the switching capacity is 320 Gbps.
  • What are the dimensions and weight of this networking hardware?
    Dimensions are 440 mm in width, 44 mm in height, and 450 mm in depth. The weight is 6.38 kg.
  • What types of VLANs does it support, and how many?
    It supports up to 4,094 VLANs.
  • What is the maximum size for Jumbo Frames?
    Jumbo Frames can be up to 9K Bytes in size.
  • Describe the environmental operating conditions.
    Operating temperature ranges from 0 °C to 50 °C with a relative humidity of 10% to 90% (non-condensing). Storage temperature ranges from -20 °C to 70 °C.
  • What is the device's Mean Time Between Failures (MTBF)?
    The MTBF is 217,465 hours.
  • What accessories are included with the device?
    It comes with a power cord, mounting kit, console cable, and quick start guide.
  • What are the acoustic noise levels at various temperatures?
    Acoustic noise is 40.1 dB from 0 °C to 30 °C and increases to 50.5 dB at 50 °C.

Product Review

The Cisco SG550XG-24T-K9 offers a high switching capacity of 320 Gbps and a forwarding rate of 357.12 Mpps, providing efficient handling of network traffic for medium to large-sized networks. Its support for up to 4,094 VLANs and a MAC table size of 32K addresses enables extensive network segmentation and device management capabilities. However, the switch operates at a noticeable acoustic noise level of up to 50.5 dB at higher temperatures, which may be a consideration for environments where noise is a concern.


The Cisco SG550XG-24T-K9 is a high-performance switch designed to meet the requirements of demanding network environments. It features 22 10 Gigabit Ethernet copper ports and 2 combo 10 Gigabit Ethernet copper/SFP+ uplink ports, providing flexibility for a range of connectivity options. This switch is equipped with a 1 Gigabit Ethernet out-of-band management port for convenient network management. Key hardware specifications include a forwarding rate of 357.12 million packets per second (Mpps) and a switching capacity of 320 gigabits per second (Gbps), ensuring efficient data processing and high-speed data transfer across the network. The switch supports a MAC address table of 32,000 addresses, allowing for the management of large numbers of connected devices without performance degradation. The device supports up to 4,094 VLANs, offering extensive network segmentation capabilities to improve security and traffic management. Jumbo frames up to 9K bytes are also supported, enabling the efficient handling of large data packets and improving network performance for high-bandwidth applications. - Total System Ports: 22 10 GE Copper + 2 Combo 10 GE Copper/SFP+ Plus 1 GE OOB Management - Forwarding Rate: 357.12 Mpps - Switching Capacity: 320 Gbps The switch is designed with a reset button and various LEDs, including system, master, stack ID, fan, RPS, and link/speed per port indicators, providing visual feedback on the system and port status. It is equipped with 256 MB of flash memory and 256 MB of CPU memory, along with a 2 MB packet buffer, ensuring smooth operation and efficient packet processing. Physically, the unit measures 440 mm in width, 44 mm in height, and 450 mm in depth, with a weight of 6.38 kg. It operates within a temperature range of 0 °C to 50 °C and can be stored in temperatures ranging from -20 °C to 70 °C. The operational relative humidity range is 10% to 90% (non-condensing), and the same range applies to its storage humidity, ensuring durability under various environmental conditions. The acoustic noise level ranges from 40.1 dB at temperatures from 0 °C to 30 °C, up to 50.5 dB at 50 °C, balancing performance with noise control. Its mean time between failures (MTBF) is rated at 217,465 hours, indicating a reliable and long-lasting hardware investment. Included with the switch are a power cord, mounting kit, console cable, and quick start guide for easy installation and setup. The device operates on a voltage rating of 100 V to 240 V, accommodating a variety of power sources and ensuring operational flexibility across different regions. In summary, the Cisco SG550XG-24T-K9 is a powerful and versatile switch designed for businesses requiring high-speed networking capabilities and reliable performance. Its comprehensive feature set and robust hardware specifications make it an ideal choice for growing enterprises looking to expand their network infrastructure.


Model NumberSG550XG-24T-K9
Total Ports22 10GBase-T + 2 Combo 10GBase-T/SFP+
Network Interface22 10GBase-T
Expansion Slots2 Combo 10GBase-T/SFP+
Throughput357.12 million packets per second (Mpps)
Switching Bandwidth320 Gigabits per second (Gbps)
MAC Address Capacity32,000 Entries
Supported VLANsUp to 4,094
Maximum Frame Size9,000 Bytes
Control FeatureReset Button
IndicatorsSystem, Stack ID, Master, Fan Status, Power Supply Status, Link/Activity Speed per Port
Internal Storage256 MB Flash
System Memory256 MB RAM
Buffer Size2 MB
Dimensions440 mm x 44 mm x 450 mm
Weight6.38 kilograms
Operational Temperature Range0 to 50 degrees Celsius
Storage Temperature Range-20 to 70 degrees Celsius
Humidity (Operational)10% to 90%, non-condensing
Humidity (Storage)10% to 90%, non-condensing
Sound Level40.1 dB up to 30°C, 50.5 dB at 50°C
Mean Time Between Failures (MTBF)217,465 Hours
Included AccessoriesPower Cable, Rack Mount Kit, Console Cable, Quick Start Documentation
Power Requirement100 to 240 Volts AC

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