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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 WS-C3850-12S-S-WS is a stackable Cisco switch featuring 12 SFP Ethernet ports and supports a stack bandwidth of 480 Gbps with a forwarding performance of 68.4 Mpps. It is designed with a 1 RU form factor, includes 4 GB RAM and 2 GB flash memory, and can manage up to 100 access points and 2000 wireless clients per switch. This model also offers 48,000 FNF entries, supports up to 64 WLANs, and delivers wireless bandwidth up to 20 Gbps, making it suitable for high-density networking environments.

FAQs for the WS-C3850-12S-S-WS

  • What is the form factor and weight of this networking device?
    The device has a 1 RU form factor and weighs 15.48 lbs.
  • How many ports does the device have and what type are they?
    The device features 12 SFP Ethernet ports.
  • Can the device support stacking, and if so, what is the maximum stacking number and bandwidth?
    Yes, the device supports stacking with a maximum of 9 units and offers a stack bandwidth of 480 Gbps.
  • What are the RAM and Flash Memory capacities?
    The device comes with 4 GB of RAM and 2 GB of Flash Memory.
  • What wireless capabilities does the device offer in terms of access points and clients?
    It can support up to 100 access points per switch and 2000 wireless clients per switch.
  • What is the device's switching capacity and forwarding performance?
    The switching capacity is 68 Gbps with a forwarding performance of 68.4 Mpps.
  • How many VLAN IDs and MAC Address Table Size does the device support?
    The device supports 1,000 VLAN IDs and has a MAC Address Table Size of 32 K.
  • What are the console port options for this device?
    The device offers USB (Type-B) and Ethernet (RJ-45) console ports.
  • What is the MTBF (Mean Time Between Failures) rating for this device?
    The MTBF rating for the device is 315,840 hours.
  • What operating temperature range is supported at 10,000 ft?
    The operating temperature range at 10,000 ft is from -5 °C to 40 °C.

Product Review

The CISCO WS-C3850-12S-S-WS offers 12 SFP Ethernet ports within a 1 RU form factor, catering to environments requiring high-density fiber connectivity. With a stacking capability up to 9 units and a stack bandwidth of 480 Gbps, it supports scalable network architecture, though its forwarding performance of 68.4 Mpps and switching capacity of 68 Gbps might limit high-volume data processing tasks. Additionally, the switch is equipped with a multi-core CPU, 4 GB RAM, and 2 GB flash memory, enhancing its capability to handle large numbers of wireless clients and access points, although the maximum operating temperature of 40 °C at 10,000 ft could be restrictive in certain high-altitude deployments.


The CISCO WS-C3850-12S-S-WS is a stackable switch designed for enterprise networks, offering flexible SFP Ethernet connectivity along with a comprehensive feature set to support a wide range of networking requirements. This model comes in a 1 RU form factor, making it suitable for space-constrained environments while still providing ample network capacity and performance. At the core of its hardware specifications, the switch boasts 12 SFP Ethernet ports that support a variety of optical fiber connections, ensuring high-speed data transmission and scalability for growing network demands. This is complemented by a multi-core CPU, 4 GB of RAM, and 2 GB of flash memory, which together provide the computational power and storage necessary for efficient switch operation and advanced feature deployment. Key hardware features include:
  • Stacking capability with up to 9 units, offering a total stack bandwidth of 480 Gbps, which enhances network resilience and simplifies management.
  • Forwarding performance of 68.4 million packets per second (Mpps) and a switching capacity of 68 Gbps, ensuring high-speed processing of network traffic without bottlenecks.
  • Two expansion slots, which allow for additional modules to be added, increasing the switch's functionality and future-proofing the investment.
The switch supports up to 100 access points and 2000 wireless clients per switch, making it an ideal choice for organizations with extensive wireless networks. Additionally, it can manage up to 64 WLANs per switch and offers wireless bandwidth of up to 20 Gbps, catering to the needs of high-density wireless environments. Security and network segmentation are facilitated through support for 1,000 VLAN IDs, while a MAC address table size of 32 K and FNF entries for 48,000 flows enable efficient network resource management and monitoring. The switch's IP Base feature set provides essential Layer 2 and Layer 3 routing capabilities, suitable for most enterprise networking needs. For direct management and troubleshooting, the switch includes USB (Type-B) and Ethernet (RJ-45) console ports. Its operational reliability is underscored by an MTBF (Mean Time Between Failures) of 315,840 hours, indicating a high degree of dependability for critical network infrastructure. Designed to operate in a variety of environments, the switch can function at altitudes of up to 10,000 feet with an operating temperature range of -5 °C to 40 °C. Its compact dimensions (17.5 x 17.7 x 1.75 inches) and weight (15.48 lbs) make it easy to integrate into a wide range of network closets and data center racks. In summary, the CISCO WS-C3850-12S-S-WS offers a balanced combination of performance, scalability, and reliability for enterprise networks. Its extensive feature set and flexible hardware options ensure it can meet the challenges of modern network environments, making it a valuable asset for any organization looking to enhance its networking infrastructure.


Part Number and ManufacturerCISCO WS-C3850-12S-S-WS
Can Be StackedYes
Total Ports12
Type of PortsSFP Ethernet
Software EditionIP Base
Device Size1 RU
Max Stackable Units9
Stacking Speed480 Gbps
Rate of Data Processing68.4 Mpps
Data Transfer Capacity68 Gbps
Memory4 GB
Storage2 GB
Max APs Supported100
Max Wireless Users Supported2000
Flow Records (FNF)48,000 Flows
Virtual LANs Support1,000
Capacity of MAC Addresses32,000
Processor TypeMulti-Core
Wireless Networks Support64
Max Wireless Throughput20 Gbps
Management InterfaceUSB (Type-B), Ethernet (RJ-45)
Available Slots for Expansion2
Estimated Lifespan315,840 Hours
Operational Temperature at High Altitude-5 °C to 40 °C
Dimensions17.5 x 17.7 x 1.75 inches
Device Weight15.48 lbs

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