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by Cisco
Product Line: Cisco 250 Series
Product Type: Ethernet Switch
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Product Description

The SG250-50HP-K9 Cisco switch features 48 10/100/1000 PoE+ ports and 2 Gigabit Copper/SFP Combo Ports, providing a substantial connectivity framework for various network demands. It supports a switching capacity of 100 Gbps and a forwarding rate of 74.41 Mpps, ensuring efficient data traffic management across the network. Designed for durability and reliability, it operates within a temperature range of 0 °C to 50 °C, includes a 512 MB CPU memory, and has a Mean Time Between Failures (MTBF) of 62,607 hours.

FAQs for the SG250-50HP-K9

  • What is the total number of Power over Ethernet Plus (PoE+) ports available on this device?
    The device offers 48 10/100/1000 PoE+ ports.
  • How does the switch’s MAC table capacity support network scalability?
    With an 8K address capacity, the MAC table supports a scalable network environment by efficiently managing a large number of connected devices.
  • Can you detail the switch's performance in terms of its forwarding rate?
    The switch has a forwarding rate of 74.41 Mpps, ensuring efficient handling of data packets.
  • What are the available options for fiber connectivity on the switch?
    The switch includes 2 Gigabit Copper/SFP Combo Ports for flexible fiber connectivity options.
  • What is the switch's switching capacity, and how does it affect network performance?
    With a switching capacity of 100 Gbps, the switch supports high-bandwidth throughput, reducing bottlenecks and improving network performance.
  • How does the switch accommodate large data packets?
    It supports Jumbo Frames up to 9K Bytes, allowing for the efficient processing of large data packets.
  • What are the key features of the switch’s physical design?
    The switch dimensions are 440 x 44 x 350 mm, and it weighs 4.8 kg. It features a reset button, system and port activity LEDs, and is designed for use with Unshielded Twisted Pair cabling.
  • Describe the CPU specifications that drive the switch’s operations.
    The switch is powered by an 800 MHz ARM CPU with 512 MB of memory, ensuring efficient processing of network data.
  • What environmental conditions is the switch designed to operate within?
    It operates in temperatures from 0 °C to 50 °C and can withstand storage temperatures from -20 °C to 70 °C. It’s designed to function in 10% to 90% non-condensing relative humidity.
  • What items are included with the switch to facilitate immediate deployment?
    Included with the switch are a power cord, mounting kit, and a quick start guide, enabling quick and easy setup.

Product Review

The Cisco SG250-50HP-K9 switch offers a substantial switching capacity of 100 Gbps and a forwarding rate of 74.41 Mpps, ensuring efficient handling of traffic even in demanding environments. With 48 PoE+ ports and two Gigabit Copper/SFP Combo Ports, it supports a wide range of devices and networking setups, but the limited number of SFP ports could restrict high-speed uplink options. Despite its performance capabilities, the switch operates within a moderate noise level of 34.2 dB and includes a comprehensive mounting kit, making it practical for both rack-mounted and small office settings.


The Cisco SG250-50HP-K9 is a networking device designed to support high-speed connectivity and efficient network management for small to medium-sized businesses. This device integrates 48 10/100/1000 Power over Ethernet Plus (PoE+) ports and 2 Gigabit Copper/SFP Combo Ports, making it versatile for connecting a wide range of devices while providing power to PoE-enabled devices such as IP cameras and VoIP phones. With a forwarding rate of 74.41 million packets per second (Mpps) and a switching capacity of 100 gigabits per second (Gbps), this switch is engineered to handle substantial data traffic, ensuring smooth data transmission across the network. The device's MAC table supports up to 8K addresses, accommodating a large number of connected devices without compromising performance. The SG250-50HP-K9 supports up to 255 VLANs, allowing network segmentation for enhanced security and improved traffic management. Jumbo frames of up to 9K bytes are also supported, which is beneficial for optimizing network performance and reducing overhead when transferring large data packets. For management and diagnostics, the switch includes a reset button and multiple LEDs that indicate system status, link/activity, speed, and PoE usage. It utilizes unshielded twisted pair (UTP) cabling, making it compatible with standard network cabling. At the core, the switch is powered by an 800 MHz ARM CPU and equipped with 512 MB of CPU memory, ensuring efficient processing of network traffic. The packet buffer size of 24 Mb helps in handling bursts of traffic, thereby reducing packet loss and improving overall network reliability. Physically, the switch measures 440 x 44 x 350 mm and weighs 4.8 kg. It's designed to operate in environments with temperatures ranging from 0 °C to 50 °C and can be stored in temperatures from -20 °C to 70 °C. The operating and storage relative humidity is 10% to 90% (non-condensing), making it suitable for a wide range of environmental conditions.
  • Acoustic noise levels are maintained at 34.2 dB, ensuring a quiet operation ideal for office environments.
  • The Mean Time Between Failures (MTBF) is 62,607 hours, highlighting the device's reliability and durability.
  • Equipped with two fans, it provides effective cooling for the hardware, ensuring stable operation under heavy loads.
The package includes a power cord, mounting kit, and a quick start guide, facilitating easy installation and setup. In summary, the Cisco SG250-50HP-K9 is a powerful and efficient networking switch that provides a solid foundation for a reliable, high-performance network. With its extensive feature set and strong hardware specifications, it is an excellent choice for businesses looking to upgrade their network infrastructure.


Part NumberSG250-50HP-K9
PoE+ Gigabit Ethernet Ports Count48
Gigabit Ethernet/SFP Combo Ports Quantity2
Data Processing Rate74.41 Million Packets per Second
Total Switching Bandwidth100 Gigabits per Second
MAC Address Capacity8000 Entries
Supported VLANs Number255
Maximum Frame Size9000 Bytes
Factory Reset ButtonYes
Indicator LightsSystem, Link/Activity, Speed, Power over Ethernet
Wiring TypeUnshielded Twisted Pair (UTP)
Processor Speed800 MHz ARM Architecture
RAM512 Megabytes
Buffer Size for Packets24 Megabits
Physical Dimensions440 x 44 x 350 mm
Device Weight4.8 Kilograms
Min/Max Operating Temperature0 to 50 Degrees Celsius
Min/Max Storage Temperature-20 to 70 Degrees Celsius
Operational Humidity Range10% to 90% Non-Condensing
Humidity Range for Storage10% to 90% Non-Condensing
Sound Level34.2 Decibels
Mean Time Between Failures62,607 Hours
Cooling Fans Number2
Included AccessoriesPower Cable, Mounting Hardware, Startup Guide

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