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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-8F8T-K9 offers a comprehensive networking solution with a total of 16 10 Gigabit Ethernet ports, divided into 8 10 GE Copper and 8 10 GE SFP+ uplink ports, complemented by a 1 GE OOB Management port for efficient network management. It boasts a forwarding rate of 238.08 Mpps and a switching capacity of 480 Gbps, ensuring high-speed data processing and transmission across the network. The device is designed for durability and efficient operation, with a MAC table capacity of 32K addresses, support for up to 4,094 VLANs, and a packet buffer of 2 MB, all housed in a chassis measuring 440 x 44 x 350 mm and weighing 5.23 kg.

FAQs for the SG550XG-8F8T-K9

  • What is the total number of system ports available?
    The system has a total of 17 ports, which include 8 10 GE Copper, 8 10 GE SFP+ ports, and 1 GE OOB Management port.
  • How many VLANs can be configured?
    Up to 4,094 VLANs can be configured.
  • What is the forwarding rate of this device?
    The forwarding rate is 238.08 Mpps.
  • Can you detail the MAC table capacity?
    The device supports a MAC table capacity of 32K addresses.
  • What type of memory is used for CPU and Flash?
    Both CPU and Flash memory are 256 MB.
  • Describe the device's packet buffer size.
    The packet buffer size is 2 MB.
  • What are the physical dimensions of the device?
    The device measures 440 x 44 x 350 mm (W x H x D).
  • Explain the device's operating and storage temperature ranges.
    Operating temperature ranges from 0 °C to 50 °C, while storage temperature ranges from -20 °C to 70 °C.
  • What is the device's Mean Time Between Failures (MTBF)?
    The MTBF is 434,724 hours.
  • What accessories are included with the device?
    The device comes with a power cord, mounting kit, console cable, and a quick start guide.

Product Review

The Cisco SG550XG-8F8T-K9 offers a significant switching capacity of 480 Gbps and a forwarding rate of 238.08 Mpps, catering well to high-demand environments. However, its limited packet buffer of 2 MB could be a bottleneck in scenarios with intensive burst traffic. Additionally, the switch supports a vast number of VLANs (4,094) and a large MAC table (32K addresses), making it suitable for complex network architectures.


The Cisco SG550XG-8F8T-K9 is a high-performance networking switch designed to meet the demands of growing businesses requiring high bandwidth for data-intensive applications. This switch features a comprehensive set of hardware specifications that cater to advanced networking needs. At its core, the SG550XG-8F8T-K9 boasts a total of 16 10 Gigabit Ethernet ports, divided evenly between 8 10GE copper network ports and 8 10GE SFP+ uplink ports, alongside a dedicated 1 Gigabit Ethernet out-of-band management port. This configuration provides flexibility in connecting a variety of devices and uplinking to higher network tiers without bottlenecking. The device's forwarding rate is 238.08 Mpps (million packets per second), which, combined with a switching capacity of 480 Gbps (gigabits per second), ensures efficient handling of network traffic, even under heavy load. It supports a MAC table of 32K addresses, accommodating a large number of connected devices, and VLAN support up to 4,094, offering extensive network segmentation possibilities. Jumbo frames support up to 9K bytes is another notable feature, enabling the switch to process large data packets more efficiently, which is particularly beneficial in reducing network overhead for data-intensive operations. The SG550XG-8F8T-K9 is equipped with a reset button, and several LEDs indicate the system status, master operation, stack ID, fan status, redundant power supply (RPS) status, and link/speed for each port, providing at-a-glance diagnostics. For hardware internals, it houses 256 MB of flash memory and 256 MB of CPU memory, with a 2 MB packet buffer to ensure smooth data processing. The physical dimensions are 440 mm in width, 44 mm in height, and 350 mm in depth, and it weighs 5.23 kg. This compact size and weight make it suitable for rack mounting in standard networking racks. Operating conditions are designed to be versatile, with an operating temperature range from 0 °C to 50 °C and storage temperature from -20 °C to 70 °C. Relative humidity tolerance ranges from 10% to 90% for both operating and storage states, non-condensing. Acoustic noise levels are maintained at 39.2 dB in cooler conditions and can go up to 49.6 dB at the maximum operating temperature, ensuring a relatively quiet operation. The Mean Time Between Failures (MTBF) is rated at 434,724 hours, indicating a reliable and durable hardware design. The package includes a power cord, mounting kit, console cable, and a quick start guide for easy setup. It operates on a voltage rating of 100 V to 240 V, accommodating various power supplies worldwide. Key features include: -
  • 16x 10GE ports including 8 copper and 8 SFP+ for flexible connectivity.
  • High switching capacity and forwarding rate to handle data-intensive applications.
  • Extensive VLAN and jumbo frame support for efficient network segmentation and data processing.
Overall, the Cisco SG550XG-8F8T-K9 is engineered to support the next-generation networking needs of businesses, providing high speed, reliability, and scalability.


Part NumberSG550XG-8F8T-K9
Total Ports16 Ten-Gigabit Ethernet Ports, Plus One Gigabit Ethernet Management Port
Ethernet PortsEight 10G Base-T
Uplink InterfacesEight 10G SFP+
Throughput Rate238.08 Million Packets per Second
Switch Fabric Capacity480 Gigabits per Second
MAC Address Table Size32,000 Entries
Supported VLANs4094
Max Frame Size9000 Bytes
Control ButtonReset
IndicatorsSystem, Master, Stack ID, Fan Status, Redundant Power Supply, Link/Speed per Port
Storage256MB Flash
System Memory256MB RAM
Packet Memory2MB
Dimensions440mm x 44mm x 350mm
Mass5.23 Kilograms
Operational Temp Range0 to 50 Degrees Celsius
Storage Temp Range-20 to 70 Degrees Celsius
Humidity (Operational)10% to 90%, Non-Condensing
Humidity (Storage)10% to 90%, Non-Condensing
Noise Level39.2 dB from 0 to 30°C, 49.6 dB at 50°C
Estimated Reliability434,724 Hours Mean Time Between Failures
Package ContentsPower Cord, Rack Mount Kit, Serial Cable, Quick Installation Guide
Electrical Input100V to 240V AC

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