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by Cisco
Product Line: Cisco 350X Series
Product Type: Managed Switch
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Title: Surplus

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Product Description

The SG350X-48-K9-NA is equipped with 48 1G network ports and 4 10G uplink ports (2 Copper/SFP+ Combo and 2 SFP+), supporting a forwarding rate of 130.94 Mpps and a switching capacity of 176 Gbps. Its hardware includes a MAC table capable of 16K addresses, 3 MB packet buffer, and supports VLANs up to 4,094 and jumbo frames of 9K bytes. The device is designed for durability and efficiency, with a Mean Time Between Failures (MTBF) of 213,373 hours, operating temperatures ranging from 0 °C to 50 °C, and includes a power cord, mounting kit, quick start guide, and console cable.

FAQs for the SG350X-48-K9-NA

  • What is the total number of system ports available?
    The system offers a total of 52 ports, comprising 48 1G network ports and 4 10G uplink ports.
  • How does the forwarding rate of the switch contribute to network performance?
    With a forwarding rate of 130.94 Mpps, the switch efficiently manages data packets, enhancing overall network performance.
  • What are the capabilities of the uplink ports on this device?
    The device includes 2 10G Copper/SFP+ Combo and 2 SFP+ uplink ports, providing flexible and high-speed connectivity options.
  • Can you detail the MAC table size and its impact on network management?
    The MAC table supports 16K addresses, allowing for efficient management and routing of a large number of devices on the network.
  • What VLAN capacity does this switch support?
    It supports up to 4,094 VLANs, enabling extensive network segmentation and improved security.
  • How does the switch's packet buffer size affect data processing?
    A packet buffer of 3 MB helps in managing data flow and reducing packet loss, ensuring smoother network operations.
  • Detail the physical dimensions and weight of the switch.
    The switch measures 440 x 44 x 257 mm (W x H x D) and weighs 3.73 kg, making it suitable for standard rack-mount installations.
  • What range of operating temperatures can the switch withstand?
    It operates effectively between 0 °C and 50 °C, accommodating various environmental conditions.
  • Explain the significance of the switch's MTBF rating.
    An MTBF rating of 213,373 hours indicates a reliable and durable design, reducing the likelihood of failures over time.
  • What accessories are included with the switch?
    The switch comes with a power cord, mounting kit, quick start guide, and console cable, facilitating easy setup and installation.

Product Review

The Cisco SG350X-48-K9-NA switch offers a comprehensive feature set with 48 1G and 4 10G ports, delivering a forwarding rate of 130.94 Mpps and a switching capacity of 176 Gbps, suitable for high-demand network environments. However, its operational noise level can reach up to 51.8 dB at 50 °C, which may be a consideration for noise-sensitive installations. Additionally, the inclusion of a mounting kit, console cable, and a user-friendly quick start guide facilitates easy setup and deployment.


The CISCO SG350X-48-K9-NA is a high-performance switch designed for small to medium-sized businesses. It offers a comprehensive set of features to provide a reliable, scalable, and secure networking solution. The switch includes 48 1G network ports for connecting a wide range of devices, along with four 10G ports for uplinks, offering flexibility and high-speed connectivity options for network expansion. At the core of its performance, the CISCO SG350X-48-K9-NA boasts a forwarding rate of 130.94 Mpps (million packets per second) and a switching capacity of 176 Gbps, ensuring efficient handling of network traffic and minimizing bottlenecks. The device supports a MAC table with 16K addresses, accommodating a large number of connected devices without compromising speed or reliability. The switch is designed to support a vast array of VLANs, with support for up to 4,094 VLANs, providing extensive network segmentation options to enhance security and traffic management. It also supports jumbo frames up to 9K bytes, which is beneficial for optimizing the performance of large data transfers. Key hardware features include: - Reset button for easy troubleshooting and resetting. - LED indicators for system status, master operation, stack ID, and individual link/speed status per port, providing at-a-glance monitoring of network operation. - Flash memory of 256 MB and CPU memory of 512 MB, ensuring smooth operation and ample storage for firmware and network configurations. - A packet buffer of 3 MB, which helps in managing transient traffic bursts, preventing packet loss and ensuring reliable data transmission. The physical dimensions of the switch are 440 mm in width, 44 mm in height, and 257 mm in depth, with a weight of 3.73 kg, making it suitable for rack mounting in standard 19-inch racks. 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 operating relative humidity range is from 10% to 90% (non-condensing), ensuring reliable performance in a wide range of environmental conditions. Acoustic noise levels are maintained at 37.25 dB in environments up to 25°C and can reach up to 51.8 dB at the maximum operating temperature of 50 °C, providing a relatively quiet operation suitable for office environments. With an MTBF (Mean Time Between Failures) of 213,373 hours, this switch promises reliability and longevity in networking operations. The package includes a power cord, mounting kit, quick start guide, and console cable, providing everything needed for setup and integration into a network. In summary, the CISCO SG350X-48-K9-NA switch offers a powerful, flexible, and reliable solution for businesses looking to enhance their network infrastructure. With its extensive feature set, high-performance specifications, and comprehensive support for network standards, it is an excellent choice for organizations needing to connect a large number of devices while maintaining high speeds and secure, efficient network operations.


Model NumberSG350X-48-K9-NA
Total Interfaces52 Ports (48x 1G, 4x 10G)
1G Ethernet Ports48
10G Expansion Slots2x 10G Copper/SFP+ Combo, 2x SFP+
Data Transfer Rate130.94 Million packets per second (Mpps)
Bandwidth176 Gigabits per second (Gbps)
Address Database Size16,000 MAC addresses
Virtual LANs (VLANs) SupportedUp to 4,094
Maximum Frame Size9000 Bytes
Reset FunctionalityReset Button
Indicator LightsSystem Status, Stack Role, Stack Member ID, Port Link/Activity and Speed
Non-volatile Storage256 Megabytes (MB)
Processor Memory512 Megabytes (MB)
Buffer Size3 Megabytes (MB)
Dimensions440 mm x 44 mm x 257 mm (Width x Height x Depth)
Device Weight3.73 Kilograms (kg)
Operational Temperature Range0 to 50 Degrees Celsius (°C)
Storage Temperature Range-20 to 70 Degrees Celsius (°C)
Operational Humidity Range10 to 90% RH, Non-Condensing
Storage Humidity Range10 to 90% RH, Non-Condensing
Noise Level37.25 dB (0 to 25°C), 51.8 dB (at 50 °C)
Mean Time Between Failures (MTBF)213,373 Hours
Included AccessoriesPower Cable, Mounting Hardware, Startup Guide, Serial Console Cable

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