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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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WS-C3850-12S-E
Cisco Catalyst 3850 12 Port GE SFP IP Services
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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.
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.
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.
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.
To get the detailed certification, please go to the Compliance Center.
 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 |
IP Services enabled advanced routing on a compact switch.
Electronic licensing activated smoothly.
Stable fiber switching for enterprise access.
Consistent Cisco performance with Layer 3 features.
Reliable solution for small enterprise sites.
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.
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.
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.
No, the 12-port SFP model WS-C3850-12S-E does not support PoE or PoE+; it is a pure fiber uplink switch.