United States$5,000,000+
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F
Fred Lawson
5
10G fiber ports provided excellent speed and consistency.
WS-C3850-12XS-S
Cisco Catalyst 3850 12 Port 10G Fiber Switch IP Base
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Name:
WS-C3850-12XS-S
- Description:
- Cisco Catalyst 3850 12 Port 10G Fiber Switch IP Base
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 662644171975
- Condition:
- Warranty:
- 3
- List Price:
$28,808.00
- Price:
$9,277.0067.8% off
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1
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WS-C3850-12XS-S Overview
WS-C3850-12XS-S is a high-performance, stackable switch designed with a robust fixed-configuration architecture that supports both Layer 2 and Layer 3 functions, making it ideal for enterprise networking environments. Its design features 12 high-speed 10-Gigabit SFP+ ports, ensuring superior performance and scalability for demanding applications such as data center interconnects, server clustering, and high-bandwidth campus networks.
Optimized for efficiency and expansion, the WS-C3850-12XS-S offers versatile power options via an AC power supply and supports seamless stacking through Cisco StackWise technology. This combination delivers reliable performance coupled with simplified management, making the switch well-suited for dynamic network infrastructures that require rapid deployment, future growth, and high throughput for mission-critical applications.
WS-C3850-12XS-S price is $9,277.00, a 67.8% saving from the Cisco list price of $28,808.00. WS-C3850-12XS-S is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for WS-C3850-12XS-S for additional pricing. Browse the full Catalyst 3850 Switches series or explore all Cisco products.
WS-C3850-12XS-S Specifications
- Product Type
- Switch
- Power Source
- AC Power Supply
- Layer Supported
- Layer 2 / Layer 3
- Form Factor
- Rack-mount
- Power Consumption
- 370W
- Number of Ethernet Ports
- 12–24 Ports
- Number of Downlink Ports
- 12 Ports
- Manageable
- Managed
- Ethernet Technology
- 10G
- Media Type Supported
- Fiber
- Redundant Power Supply Supported
- No
- Manufacturer Part Number
- WS-C3850-12XS-S
- Uplink Configuration
- 10G
- IOS
- LAN Base
- POE Support
- Non POE
- SFP Ports
- 12 SFP Ports
- Memory
- 4 GB
- Rack Units
- 1 RU
- Interface Ports
- N/A
- Port/Expansion Slot Details
- 12 x 10-Gigabit SFP+ ports
- Flash Memory
- 256 MB
- Switching Capacity
- 160 Gbps
- Switching Capacity with Stacking
- 480 Gbps
- Product Name
- Cisco Catalyst 3850-12XS-S
- Height
- 1.73 inches
- Width
- 17.5 inches
- Depth
- 14.1 inches
- Weight
- 18 lbs
WS-C3850-12XS-S Use Case
Ultra-Low-Latency Backbone for Financial Trading Floors
In high-frequency trading environments where every microsecond counts, the WS-C3850-12XS-S Cisco Catalyst 3850 12 Port 10G Fiber Switch IP Base acts as a dedicated ultra-low-latency backbone. Deployed between trading servers, market data feeds, and order-management systems, it delivers deterministic forwarding, hardware-based QoS, and wire-speed 10G fiber connectivity. The outcome is reduced packet-processing delay, prioritized mission-critical traffic and measurable gains in trade execution speed, enabling firms to outpace competitors and mitigate market risk.
Scalable Campus Distribution for Enterprise and Higher-Ed Networks
In large corporate and university campuses requiring robust, future-proof distribution layers, the WS-C3850-12XS-S provides 12 dedicated 10G SFP+ fiber uplinks to aggregate multiple access switches. It integrates seamlessly with Cisco DNA Center for policy-driven automation and advanced security enforcement. The switch’s high-density 10G ports and IP Base feature set ensure non-stop campus-wide connectivity, simplify network operations, and support skyrocketing bandwidth demands from cloud applications, video collaboration and IoT deployments.
High-Performance Data Center Top-of-Rack Aggregation
In mid-size data centers requiring cost-effective Top-of-Rack (ToR) aggregation, the WS-C3850-12XS-S delivers 12 10G fiber links to servers, storage arrays and spine switches. With extensive multicast support, VLAN segmentation and advanced security features in the IP Base image, it streamlines traffic consolidation, reduces cabling complexity and enforces east-west segmentation. The result is a simplified architecture with predictable 10G performance, improved fault isolation and lower operational overhead for dynamic virtualization and software-defined workloads.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 WS-C3850-12XS-S |  WS-C3850-48T-L |  WS-C3850-48XS-F-S |  WS-C3850-48P-S |  WS-C3850-48U-L | |
|---|---|---|---|---|---|
| Depth | 14.1 inches | 11.10 inches | 12 inches | 12.8 inches | 14.17 inches |
| Ethernet Technology | 10G | 10/100/1000 | 10G | 10/100/1000 | 10/100/1000 |
| Flash Memory | 256 MB | 128 MB | 128 MB | 256 MB | 128 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.73 inches | 1.73 inches | 1.73 inches | 1.73 inches | 1.73 inches |
| IOS | LAN Base | LAN Base | IP Services | LAN Base | LAN Base |
| Interface Ports | N/A | 10/100/1000 | N/A | 10/100/1000 | 10/100/1000 |
| Layer Supported | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | WS-C3850-12XS-S | WS-C3850-48T-L | WS-C3850-48XS-F-S | WS-C3850-48P-S | WS-C3850-48U-L |
| Media Type Supported | Fiber | Twisted Pair | Fiber | Combo | Combo |
| Memory | 4 GB | 4 GB | 4 GB | 512 MB | 4 GB |
| Number of Downlink Ports | 12 Ports | 48 Ports | 48 Ports | 48 Ports | N/A |
| Number of Ethernet Ports | 12–24 Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports |
| POE Support | Non POE | Non POE | Non POE | POE+ | POE+ |
| Port/Expansion Slot Details | 12 x 10-Gigabit SFP+ ports | 48 x 10/100/1000 RJ-45 ports; 4 x 1G SFP uplink ports | 48 fixed 10G SFP+ ports | 48 fixed PoE ports and 4 SFP uplink ports | 48 Ethernet ports and 4 SFP uplink ports |
| Power Consumption | 370W | 370 W | 370W | 365W | 415 W |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply | Redundant Power Supply / AC Power Supply |
| Product Name | Cisco Catalyst 3850-12XS-S | Cisco Catalyst 3850-48T-L | Cisco Catalyst 3850 48 10G SFP+ Stackable Switch | Cisco Catalyst 3850 48 Port PoE Switch | Cisco Catalyst 3850-48U Series Switch - LAN Base |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | 1 RU | 1 RU | 1 RU | 1 RU | 1 RU |
| Redundant Power Supply Supported | No | No | No | No | Yes |
| SFP Ports | 12 SFP Ports | 4 SFP Ports | 48 SFP+ Ports | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 160 Gbps | 176 Gbps | 1280 Gbps | 128 Gbps | 176 Gbps |
| Switching Capacity with Stacking | 480 Gbps | 480 Gbps | 480 Gbps | 160 Gbps | 480 Gbps |
| Uplink Configuration | 10G | 1G | 10G | 1G | 1G |
| Weight | 18 lbs | 27.3 lbs | 28 lbs | 25 lbs | 30 lbs |
| Width | 17.5 inches | 17.32 inches | 17.5 inches | 17.5 inches | 17.32 inches |
Reviews & Ratings
G
Gordon Miles
4
Reliable access switch for high-speed connectivity.
H
Harold Jenkins
5
Handled sustained traffic without issues.
I
Isaac Newman
3
Cisco build quality with predictable performance.
J
Jason Wright
4
Strong option for compact 10G access.
Questions & Answers
What is the Cisco Catalyst 3850 12 Port 10G Fiber Switch IP Base (WS-C3850-12XS-S)?
The Cisco Catalyst 3850 12 Port 10G Fiber Switch IP Base (WS-C3850-12XS-S) is a stackable fixed-configuration switch delivering 12 SFP+ 10-Gigabit fiber ports with IP Base software for advanced Layer 2 and basic Layer 3 networking.
How many 10-Gigabit fiber ports does the WS-C3850-12XS-S provide?
It provides 12 fixed 10 Gigabit SFP+ fiber ports for high-density uplink and aggregation.
What software license does the WS-C3850-12XS-S include by default?
It includes the Cisco IP Base software license, enabling advanced Layer 2 features and basic Layer 3 static/rip routing capabilities.
Can I stack WS-C3850-12XS-S switches, and what is the maximum stack size?
Yes. It supports Cisco StackWise-480 technology, allowing up to nine switches per stack with 480 Gbps of stacking bandwidth.