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IP Services enabled advanced routing on a compact switch.
WS-C3850-12S-E
Cisco Catalyst 3850 12 Port GE SFP IP Services
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Name:
WS-C3850-12S-E
- Description:
- Cisco Catalyst 3850 12 Port GE SFP IP Services
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 818249267432
- Condition:
- Warranty:
- 3
- List Price:
$21,538.00
- Price:
$6,743.0068.7% off
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1
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WS-C3850-12S-E Overview
WS-C3850-12S-E is a high-performance, stackable switch designed for enterprise networks that require robust Layer 2 and Layer 3 functionalities. Built on an advanced Cisco architecture, this model offers a fixed configuration with 12 SFP ports for fiber connectivity, a reliable AC power supply, and excellent scalability in both standalone and stacked deployments.
Optimized for demand-driven environments, the Catalyst 3850-12S-E delivers fast switching capacity and integrated routing features for a wide range of use cases from campus LANs to branch offices. Its support for advanced IP Services, Cisco StackWise-480 stacking technology, and a compact 1 RU rack-mountable form factor ensures efficient network performance and easy management in modern network infrastructures.
WS-C3850-12S-E price is $6,743.00, a 68.7% saving from the Cisco list price of $21,538.00. WS-C3850-12S-E is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for WS-C3850-12S-E for additional pricing. Browse the full Catalyst 3850 Switches series or explore all Cisco products.
WS-C3850-12S-E Specifications
- Product Type
- Switch
- Power Source
- AC Power Supply
- Layer Supported
- Layer 2 / Layer 3
- Form Factor
- Rack-mount
- Power Consumption
- 115W
- Number of Ethernet Ports
- 12–24 Ports
- Number of Downlink Ports
- 12 Ports
- Manageable
- Managed
- Ethernet Technology
- 10/100/1000
- Media Type Supported
- Fiber
- Redundant Power Supply Supported
- No
- Manufacturer Part Number
- WS-C3850-12S-E
- Uplink Configuration
- 1G
- IOS
- IP Services
- POE Support
- Non POE
- SFP Ports
- 12 SFP Ports
- Memory
- 512 MB
- Rack Units
- 1 RU
- Interface Ports
- 10/100/1000
- Port/Expansion Slot Details
- 12 fixed SFP interfaces
- Flash Memory
- 256 MB
- Switching Capacity
- 160 Gbps
- Switching Capacity with Stacking
- 480 Gbps
- Product Name
- Cisco Catalyst 3850-12S-E
- Height
- 1.75 inches
- Width
- 17.5 inches
- Depth
- 12.9 inches
- Weight
- 16 lbs
WS-C3850-12S-E Use Case
Campus Aggregation with WS-C3850-12S-E Cisco Catalyst 3850 12-Port GE SFP IP Services
In a large enterprise campus network, the WS-C3850-12S-E Cisco Catalyst 3850 12-Port GE SFP IP Services switch acts as the Layer 3 aggregation point—leveraging OSPF for rapid convergence, VRF Lite for multi-tenant segmentation, and IEEE 802.1X for role-based access control. Benefit: Delivers wire-rate inter-VLAN routing on 10 GbE uplinks, reduces intra-campus latency by 30%, and ensures 99.999% uptime with nonstop forwarding and stateful switchover.
Secure Branch Office WAN Routing and QoS with WS-C3850-12S-E IP Services
For distributed branch offices, the WS-C3850-12S-E Cisco Catalyst 3850 12-Port GE SFP IP Services switch provides dual SFP uplinks to MPLS or Internet-backed DMVPN tunnels. It enforces advanced QoS for VoIP/video, runs BGP or EIGRP for dynamic routing, and integrates Cisco TrustSec for consistent policy enforcement. Benefit: Accelerates VPN rollout by 40%, guarantees sub-20 ms jitter for real-time applications, and centralizes security policy management.
Data Center Leaf Switch for EVPN-VXLAN and Micro-Segmentation
In a modern data center leaf-spine architecture, the WS-C3850-12S-E Cisco Catalyst 3850 12-Port GE SFP IP Services switch functions as a leaf node running EVPN-VXLAN for seamless VM mobility across racks. It aggregates hypervisor uplinks at 10 GbE, applies TrustSec-based micro-segmentation, and supports multicast optimization for storage replication. Benefit: Scales out seamlessly to hundreds of VMs, reduces east-west traffic bottlenecks by 50%, and strengthens security with per-workload access controls.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
 WS-C3850-12S-E |  WS-C3850-48U-L |  WS-C3850-48F-L |  WS-C3850-24XU-S |  WS-C3850-48T-L | |
|---|---|---|---|---|---|
| Depth | 12.9 inches | 14.17 inches | 16.9 inches | 16.9 inches | 11.10 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 256 MB | 128 MB | 256 MB | 256 MB | 128 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.75 inches | 1.73 inches | 1.75 inches | 1.73 inches | 1.73 inches |
| IOS | IP Services | LAN Base | LAN Lite | IP Services | LAN Base |
| Interface Ports | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Layer Supported | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | WS-C3850-12S-E | WS-C3850-48U-L | WS-C3850-48F-L | WS-C3850-24XU-S | WS-C3850-48T-L |
| Media Type Supported | Fiber | Combo | Twisted Pair | Twisted Pair / Fiber | Twisted Pair |
| Memory | 512 MB | 4 GB | 4 GB | 512 MB | 4 GB |
| Number of Downlink Ports | 12 Ports | N/A | 48 Ports | 24 Ports | 48 Ports |
| Number of Ethernet Ports | 12–24 Ports | 24–48 Ports | 24–48 Ports | 12–24 Ports | 24–48 Ports |
| POE Support | Non POE | POE+ | POE+ | Non POE | Non POE |
| Port/Expansion Slot Details | 12 fixed SFP interfaces | 48 Ethernet ports and 4 SFP uplink ports | 48 x 10/100/1000 PoE+ ports, 4 x 1G/10G SFP uplink ports | 24 fixed 10/100/1000 Ethernet ports and 4 fixed 10 Gigabit SFP+ uplink ports | 48 x 10/100/1000 RJ-45 ports; 4 x 1G SFP uplink ports |
| Power Consumption | 115W | 415 W | 370 W | 335 W | 370 W |
| Power Source | AC Power Supply | Redundant Power Supply / AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | Cisco Catalyst 3850-12S-E | Cisco Catalyst 3850-48U Series Switch - LAN Base | Cisco Catalyst 3850-48F-L | Cisco Catalyst 3850-24XU-S | Cisco Catalyst 3850-48T-L |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | 1 RU | 1 RU | 1 RU | 1 RU | 1 RU |
| Redundant Power Supply Supported | No | Yes | No | Yes | No |
| SFP Ports | 12 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 160 Gbps | 176 Gbps | 128 Gbps | 128 Gbps | 176 Gbps |
| Switching Capacity with Stacking | 480 Gbps | 480 Gbps | 160 Gbps | 480 Gbps | 480 Gbps |
| Uplink Configuration | 1G | 1G | 1G / 10G | 10G | 1G |
| Weight | 16 lbs | 30 lbs | 31 lbs | 22.5 lbs | 27.3 lbs |
| Width | 17.5 inches | 17.32 inches | 17.5 inches | 17.1 inches | 17.32 inches |
Reviews & Ratings
L
Logan Perry
4
Electronic licensing activated smoothly.
M
Martin Hughes
4
Stable fiber switching for enterprise access.
N
Noah Bennett
5
Consistent Cisco performance with Layer 3 features.
O
Owen Richards
4
Reliable solution for small enterprise sites.
Questions & Answers
What is the Cisco Catalyst 3850 12 Port GE SFP IP Services (SKU WS-C3850-12S-E)?
The Cisco Catalyst 3850 12 Port GE SFP IP Services (WS-C3850-12S-E) is a stackable enterprise switch offering 12 Gigabit Ethernet SFP fiber ports, advanced Layer 3 routing, QoS, security, and integrated wireless controller capabilities.
Which interface types does the WS-C3850-12S-E provide?
The WS-C3850-12S-E provides 12 fixed Gigabit Ethernet SFP ports for fiber-optic connectivity, enabling versatile uplink options in campus and branch networks.
What is the switching capacity and forwarding rate of the Catalyst 3850-12S-E?
The Catalyst 3850-12S-E delivers a 160 Gbps switching capacity with up to 95.23 Mpps packet forwarding rate, ensuring high-performance data throughput.
Does the WS-C3850-12S-E support Power over Ethernet (PoE)?
No, the 12-port SFP model WS-C3850-12S-E does not support PoE or PoE+; it is a pure fiber uplink switch.
What IP Services features are included with WS-C3850-12S-E?
WS-C3850-12S-E includes advanced IP Services features such as OSPF, EIGRP, BGP, VRF, MPLS, multicast routing, QoS, security, and Cisco TrustSec.
What stacking technology does the Catalyst 3850 support?
It uses Cisco StackWise-480 technology, allowing up to nine switches to operate as a single logical unit with 480 Gbps stack bandwidth.
Which software platform runs on WS-C3850-12S-E?
WS-C3850-12S-E runs Cisco IOS XE Software, offering programmability, automation, analytics, and integration with Cisco DNA Center.
What power supplies are compatible with the 3850-12S-E?
It supports the internal PWR-C2-480WAC AC power supply and optional field-replaceable redundant power modules for high availability.
What are the dimensions and weight of WS-C3850-12S-E?
The switch measures 1.75 in. (H) x 17.5 in. (W) x 16.1 in. (D) and weighs approximately 11 lbs (5 kg).
What are the environmental operating conditions for the Catalyst 3850-12S-E?
Operating temperature is 32–104°F (0–40°C) with 10–85% noncondensing humidity; storage temperature is –40–158°F (–40–70°C).
Does the Catalyst 3850-12S-E support full IPv6 features?
Yes, it supports full IPv6 routing, management, and security features under the IP Services license.
What warranty and support options are available for WS-C3850-12S-E?
The product includes a Limited Lifetime Hardware Warranty and optional Cisco Smart Net Total Care for 24/7 TAC access, advance hardware replacement, and software updates.
Can I upgrade the software license on the Catalyst 3850-12S-E?
Yes, you can upgrade from IP Services to DNA Advantage or DNA Essentials using Cisco Smart Licensing for advanced automation and analytics.
What stacking cables are required for a 3850-12S-E stack?
Use Cisco StackWise-480 stacking cables such as CAB-STK-E-0.5M or CAB-STK-E-1M for 0.5 m or 1 m connections between switches.
What are the typical deployment scenarios for WS-C3850-12S-E?
It’s ideal for campus access layers, small data centers, branch network aggregation, and converged wired–wireless deployments requiring high throughput and advanced services.
How do I purchase the WS-C3850-12S-E and check availability?
Contact a Cisco authorized reseller or visit the Cisco website to obtain pricing, check stock, and place your order for WS-C3850-12S-E.