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by Cisco
Product Line: Cisco Small Business Switches
Product Type: Network Switch
Original price $0.00 - Original price $535.00
Original price
$0.00 - $535.00
Current price $535.00
Title: Used

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Product Description

The SF350-48-K9 Cisco switch features 48 10/100 RJ-45 ports and a combination of 2 Gigabit Copper/SFP + 2 SFP ports, supporting a switching capacity of 13.09 Mpps and 17.6 Gbps. It is designed with a 740 W power budget dedicated to PoE across all ports and has a power consumption of 23.4 W at 110 V and 24.2 W at 220 V. This device operates efficiently with a 256 MB flash memory, an 800 MHz ARM CPU, and a 512 MB CPU memory, all within a fanless design ensuring silent operation.

Key Feature for the SF350-48-K9

  • What is the switching capacity of this network switch?
    The switching capacity is 17.6 Gbps.
  • How many ports on the switch support Power over Ethernet (PoE)?
    48 ports support PoE.
  • What type of CPU does the switch use?
    It uses an 800 MHz ARM CPU.
  • Can you detail the power consumption of this device?
    Power consumption is 23.4 W at 110 V and 24.2 W at 220 V.
  • What is the total Power over Ethernet (PoE) budget for the switch?
    The PoE budget is 740 W.
  • What are the storage temperature limits?
    The storage temperature range is from -20 °C to 70 °C.
  • How many RJ-45 ports does the switch have?
    There are 48 Fast Ethernet RJ-45 ports and 2 Gigabit Ethernet RJ-45 ports.
  • What is the Mean Time Between Failures (MTBF) for this switch?
    The MTBF is 277,653 hours.
  • What flash memory capacity is available on the switch?
    The switch is equipped with 256 MB of flash memory.
  • What acoustic noise level does the switch generate?
    The switch operates at 0 dB, being fanless and producing no acoustic noise.

Product Review

The Cisco SF350-48-K9 switch offers a solid switching capacity of 17.6 Gbps and a PoE budget of 740W, supporting all 48 ports, which is beneficial for networks requiring extensive PoE devices. However, its use of Fast Ethernet ports rather than Gigabit on all ports might limit bandwidth for high-demand applications, potentially bottlenecking modern network speeds. Additionally, the fanless design ensures silent operation, making it suitable for noise-sensitive environments, though this could raise concerns about heat dissipation in tightly packed network closets.


The Cisco SF350-48-K9 is a managed switch designed to support the demands of modern network infrastructures. It offers a comprehensive feature set suitable for enterprise-level applications, including advanced security, quality of service (QoS), and scalability. This product provides a solid foundation for businesses looking to enhance network performance and reliability. Equipped with 48 Fast Ethernet ports, the SF350-48-K9 ensures ample connectivity options for devices within a network. Additionally, it features 2 combo Gigabit Copper/SFP ports plus 2 SFP ports, facilitating high-speed connections and uplink capabilities. This switch is designed to handle a substantial amount of data, evidenced by its switching capacity of 17.6 Gbps and a forwarding rate of 13.09 million packets per second (Mpps), ensuring efficient traffic management and data processing. Power over Ethernet (PoE) is a standout feature of the SF350-48-K9, with a dedicated power budget of 740 W. This enables all 48 ports to support PoE, simplifying the deployment of wireless access points, IP phones, and other PoE-capable devices by eliminating the need for additional power supplies. The power consumption of the switch is relatively low, at 23.4 W at 110 V and 24.2 W at 220 V, with a heat dissipation of 82.6 BTU per hour, making it an energy-efficient choice for businesses. The hardware specifications of the SF350-48-K9 include a robust 800 MHz ARM CPU and 512 MB of CPU memory, ensuring smooth operation and the ability to handle demanding network tasks. The switch also comes with 256 MB of flash memory and a 3 MB packet buffer, which helps in efficiently managing network traffic and storing firmware and configuration files. The physical dimensions of the SF350-48-K9 are 17.3 inches in width, 1.73 inches in height, and 10.12 inches in depth, with a weight of 7.89 lbs., making it suitable for rack-mounted installations. The operational environment specifications indicate a temperature range from 0 °C to 50 °C, with a relative humidity tolerance of 10% to 90% (non-condensing), ensuring reliability across various conditions. The switch operates silently, thanks to its fanless design, which eliminates noise and reduces maintenance requirements. Key hardware features include: -
  • 48 RJ-45 ports for Fast Ethernet connectivity and 2 Gigabit Ethernet ports for high-speed uplinks.
  • LED indicators for system status, link/activity, PoE, and speed, providing at-a-glance monitoring.
  • A reset button for quickly restoring factory settings.
With an impressive mean time between failures (MTBF) of 277,653 hours, the SF350-48-K9 is built for longevity and reliability. This, combined with its comprehensive hardware specifications, makes it a suitable choice for businesses looking to build a high-performance and resilient network infrastructure.


Model and ManufacturerCisco SF350-48-K9
Fast Ethernet Ports48
Mixed Media Ports2 10/100/1000Base-T/SFP Combo + 2 SFP
Throughput (Million Packets per Second)13.09
Throughput (Gigabits per Second)17.6
Power Over Ethernet Budget740 Watts
PoE Ports Quantity48
Energy Usage23.4 Watts (110V), 24.2 Watts (220V)
Thermal Output82.6 British Thermal Units per Hour
Ethernet Interface48x Fast Ethernet, 2x Gigabit Ethernet
Interface ButtonsReset
Indicator LightsSystem, Link/Activity, PoE, Speed
Storage Capacity (Flash)256 Megabytes
Processor800 MHz ARM
RAM512 Megabytes
Buffer Size3 Megabytes
Dimensions17.3 x 1.73 x 10.12 inches
Mass7.89 pounds
Operational Temperature Range0 to 50 °C
Humidity Range for Operation and Storage10% to 90% (Non-condensing)
Storage Temperature Range-20 to 70 °C
Noise Level0 dB (No fan)
Mean Time Between Failures277,653 Hours

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