Description:   The Cisco WS-C3850-12S Switch has 12 Total Ports, a 350 WAC AC Power Supply, and a 4 GB DRAM. It also operates with a 2 GB Flash and 50.5 Mpps Forwarding Rate.

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Warranty: 1 year Networking-Hardware Warranty Included
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Repairs: We offer repair service for the WS-C3850-12S.
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About WS-C3850-12S

Product Overview:

Cisco WS-C3850-12S power is one of the most prime members of Cisco DNA portfolio regarding next-generation enterprise-class stackable Ethernet, next generation automation requirements, securely enabled time-saving virtualization, valuable data analytics for direct addressing the ever-evolving business needs, aggregation layer switches and last but not the least, all these contemporary specifications to be downloaded and operated at much lesser cost.

Product highlights:

WS-C3850-12S specification is desegregated with integrated wireless controller. This integrated wireless controller has the capacity of Up to 40G. With each switching entity; be it a stack or switch; ws-c3850-12s-s smartnet being one of the most compatible switches of this series, supports both 2000 wireless clients and also is compatible with 100 access points. This Cisco UPOE model WS-C3850-12S features include Energy-Efficient Ethernet (EEE) and is based on 12 port 1 Gigabit Ethernet SFP.

Series configurations:

Ws-c3850-12s-s installation guide will provide you with all the information that includes 12 total SFP ports, 350WAC Default AC power supply along with StackWise-480 and StackPower capacity.

Network modules:

For uplink ports, Ws-c3850-12s-s manual includes all the five optional network modules that it supports: 4 Gigabit Ethernet (with Small Form-Factor Pluggable receptacles), 40 Gigabit Ethernet with Quad Small Form-Factor Pluggable+ receptacles (2), 10 Gigabit Ethernet with Small Form-Factor Pluggable+ receptacles (8), 40 Gigabit Ethernet QSFP+, 10 Gigabit Ethernet SFP+ (alternatively Gigabit Ethernet with SFP receptacles) (2), 4 10 Gigabit Ethernet SFP+ interfaces.

Network module compatibility matrix:

Ws-c3850-12s-s switch is compatible with C3850-NM-2-10G and C3850-NM-4-1G Network modules.

Performance specifications:

The forwarding rate for ws-c3850-12s-s installation is 50.5 Mpps. The Switching capacity of this Ws-c3850-12s-s switch is 68 Gbps 12-port Gigabit Ethernet model. For Ws-c3850-12s-s switch, the FNF entry is 24,000 flows (12-port Gigabit Ethernet model). The Stacking bandwidth of ws-c3850-12s-e modules is 480 Gbps. The total number of MAC addresses that the ws-c3850-12s-e smartnet is designed with is 32,000. The Dynamic random access memory of Ws-c3850-12s-s switch is 4GB with 4000 VLAN IDs, 2GB flash memory, 1000 total Switched Virtual Interfaces (SVIs) and Jumbo frame of 9198 bytes. The number of access points per Ws-c3850-12s-s switch is 100 where total routed ports per 3850 stack are 208. 64 is the Total number of WLANs per Ws-c3850-12s-s switch.

 Power consumptions (in watts):

Ws-c3850-12s-s power consumption, of which C3850-NM-4-1 G is the uplink model, is the maximum of 85.84 at 0% traffic, 85.89 at 10%traffic, 86.75 at 100% traffic and 86.0 at weighted average. All the measurements are shared from the testing of Alliance for Telecommunications Industry Solutions (ATIS). For those Ws-c3850-12s-s switches of which the uplink model is C3850-NM-2-10G, the Power consumption is 87.95 for 0% traffic, 88.30 for 10% traffic, 90.04 for 100% traffic and 88.4for weighted average.

Dimensions, weight, acoustic, MTBF, and environmental range:

Ws-c3850-12s-e dimension (H x W x D) as follows: 1.75 x 17.5 x 17.7 (Inches) and 4.45 x 44.5 x 45.0 (Centimeters). The weight of Ws-c3850-12s-e switch is, 15.48 (pounds) or 7.02 (kilograms). The Mean time between failures (MTBF) hours of Ws-c3850-12s-e switch is, 315,840.

Ordering information:

Ws-c3850-12s-e ordering information includes:

  1. Stackable 12 SFP Ethernet ports
  2. IP Base feature set (WS-C3850-12S-S) and IP Services feature set (WS-C3850-12S-E)
  3. 350WAC power supply
  4. 1 RU

Additional Information

Ws-c3850-12s-e datasheet comes with a bunch of purchasing benefits like

  1.  Enhanced Limited Lifetime Warranty (E-LLW)
  2. advance hardware replacement of ext Business Day (NBD)
  3. 90-day constant access to Cisco Technical Assistance Center (TAC) support
  4. Ws-c3850-12s-s image accesses Single universal Cisco IOS® Software image that make all the software upgrade with an easier up-gradation path.

Is it a flat 50% off alluring? Get it with Ws-c3850-12s-e switch on Cisco pricing list. Here’s a surprise gift for you as well! Take a full-year warranty from us with most of the used and remanufactured parts. For the new and unused parts, kindly refer to the original company warranty.


Technical specifications



Catalyst 3850


350 WAC

C3850-NM-4-1G, C3850-NM-2-10G

480 Gbps

4 GB

2 GB


50.5 Mpps

1.75 x 17.5 x 17.7

7.02 kg


Common misspellings:

Common misspellings: