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by Cisco
Product Line: Cisco Catalyst 3850 Series
Product Type: Switch
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Title: Surplus

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Product Description

The C1-WS3850-48P/K9 Cisco switch features 48 PoE+ ports supporting a PoE budget of 185 W and compatibility with network modules C3850-NM-4-1G, C3850-NM-2-10G, and C3850-NM-4-10G. It offers a 715 WAC default AC power supply, with an available PoE power of 435 W and can be enhanced with a 1100W secondary power supply for a total PoE budget of 1535 W. With a Mean Time Between Failures (MTBF) of 241,050 hours, and support for 24,000 IPv4 routes, 32,000 MAC addresses, and 4,000 VLAN IDs, this switch is designed for high reliability and extensive network scalability.

FAQs for the C1-WS3850-48P/K9

  • What is the total number of 10/100/1000 or SFP or SFP+ ports on the switch?
    There are 48 PoE+ ports available.
  • How many power supplies does the switch have?
    The switch is equipped with 1 440 WDC power supply.
  • What is the PoE budget of the device?
    The PoE budget is 185 W.
  • What are the power consumption rates at 0%, 10%, and 100% traffic?
    At 0% traffic, power consumption is 125.35 W; at 10% traffic, it's 124.15 W; and at 100% traffic, it's 125.15 W.
  • What is the weighted average power consumption?
    The weighted average power consumption is 124.43 W.
  • How much does the switch weigh?
    The switch weighs 17.4 lbs.
  • What is the Mean Time Between Failures (MTBF) for the switch?
    The MTBF is 241,050 hours.
  • How many IPv4 routes can the switch handle?
    The switch can handle 24,000 IPv4 routes.
  • What is the maximum number of MAC addresses and VLAN IDs supported?
    The switch supports up to 32,000 MAC addresses and 4,000 VLAN IDs.
  • Can you list the supporting network modules for the switch?
    The switch supports C3850-NM-4-1G, C3850-NM-2-10G, and C3850-NM-4-10G network modules.

Product Review

The Cisco C1-WS3850-48P/K9 switch offers a high-density 48 PoE+ ports, supporting a wide range of network modules (C3850-NM-4-1G, C3850-NM-2-10G, C3850-NM-4-10G), enhancing its flexibility for various networking needs. However, the power consumption remains relatively constant across different traffic loads, indicating efficient power management, but the initial PoE budget of 435 W may limit the number of high-power devices supported without additional power supplies. With an MTBF of 241,050 hours, this model promises reliability, yet the weight of 17.4 lbs and a single default power supply could be considered drawbacks for environments requiring high mobility and redundancy.


The Cisco C1-WS3850-48P/K9 is a pivotal component in modern networking, offering a blend of performance, scalability, and efficiency tailored for diverse operational needs. This device is engineered to facilitate seamless connectivity, ensuring robust communication across various segments of a professional environment. At its core, the C1-WS3850-48P/K9 features 48 PoE+ ports, providing not just connectivity but also power to devices such as IP phones and wireless access points, eliminating the need for additional power supplies. The switch is equipped with a single 440W DC power supply, supporting a PoE budget of 185W, ensuring adequate power distribution for connected devices. Power efficiency is a hallmark of this model. It demonstrates remarkable power consumption metrics across different traffic levels: 125.35W at 0% traffic, 124.15W at 10% traffic, and 125.15W at full 100% traffic. The weighted average power consumption stands at a modest 124.43W. This efficiency is complemented by a Mean Time Between Failure (MTBF) of 241,050 hours, highlighting the switch's reliability and durability over extended operational periods.
  • Weight: 17.4 lbs, making it relatively easy to handle and install in various environments.
  • Support for up to 24,000 IPv4 routes and 32,000 MAC addresses, facilitating vast networking capabilities and device handling.
  • Compatibility with network modules including C3850-NM-4-1G, C3850-NM-2-10G, and C3850-NM-4-10G, allowing for flexible network expansions and upgrades.
With a foundation to support 4,000 VLAN IDs and 1,000 Switched Virtual Interfaces, the Cisco C1-WS3850-48P/K9 caters to complex network architectures, ensuring seamless data segmentation and secure communication channels across the network. Its ability to handle jumbo frames up to 9,198 bytes further enhances its capability to efficiently manage large data packets, reducing overhead and improving throughput. The device's default AC power supply is rated at 715WAC, with an available PoE power of 435W. For environments requiring even greater power, the POE budget can be expanded to 1535W with an 1100W secondary power supply. This versatility ensures that the switch can adapt to varying power demands without compromising on performance. Stacking is simplified and made more efficient with Stackwise-480 and StackPower technologies, allowing for the interconnection of multiple switches to operate as a single unit, enhancing both performance and redundancy. This is particularly beneficial in environments where network uptime is critical. The switch supports up to 208 routed ports per stack, 2,000 access points per switch/stack, and 64 WLANs per switch, making it an ideal solution for large-scale deployments. These features make the Cisco C1-WS3850-48P/K9 not just a network switch, but a comprehensive solution for advanced networking requirements, catering to a wide array of professional settings.


Item NumberC1-WS3850-48P/K9
Port Count (Total 10/100/1000 or SFP or SFP+ Ports)48 PoE+
Number of 440W DC Power Units1
Available Power for PoE185W
Energy Use with No Traffic125.35W
Energy Use with 10% Traffic Load124.15W
Energy Use with Maximum Traffic125.15W
Average Energy Consumption124.43W
Device Weight17.4 lbs
Mean Time Between Failures (MTBF)241,050 Hours
IPv4 Routing Entries24,000
MAC Address Capacity32,000
VLAN Identifiers4,000
Switched Virtual Interfaces Supported1,000
Maximum Frame Size (Jumbo Frames)9,198 Bytes
Max Routed Ports Per Stack208
Max Access Points Per Switch/Stack2,000
Wireless LANs Supported Per Switch64
Standard AC Power Supply Rating715 WAC
Max PoE Power Availability435 W
PoE Budget with 1100W Secondary PSU1535 W
Support for Stackwise-480Yes
StackPower CapabilityYes
Compatible Network ModulesC3850-NM-4-1G, C3850-NM-2-10G, C3850-NM-4-10G

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