Cisco 3850-12XS-S Switch
Upgrade your enterprise network with the Cisco 3850-12XS-S Switch.
Product Type: Switch
Brand: Cisco
Model: C1-WS3850-12XS-S
Series: Cisco ONE Catalyst 3850
Device Type: Layer 3 Managed – Stackable
Ports: 12 × 1G/10G SFP+
Subtype: 10 Gigabit Ethernet
Enclosure: 1U Rackmount / Desktop
The Cisco 3850-12XS-S delivers high-performance 10G connectivity, advanced Layer 3 features, and scalability—ideal for demanding enterprise environments.
Description
Cisco 3850-12XS-S Switch – Cisco ONE Catalyst 3850 Series Platform
Product Description
The Cisco 3850-12XS-S Switch is part of the Cisco Catalyst 3850 Series, delivering superior performance, scalability, and intelligence to meet the demands of enterprise-level networking. This fully managed Layer 3 switch supports advanced features like Cisco StackWise-480, flexible NetFlow, and a wide range of Layer 2/3 protocols. With 12 SFP+ ports and stacking capabilities, it’s ideal for high-performance data centers and enterprise network cores.
Key Features
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12 x 10G SFP+ ports for high-speed connectivity
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Stackable with up to 480 Gbps of stacking bandwidth
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320 Gbps switching capacity
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Advanced Layer 3 routing protocols
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Support for Cisco StackWise-480 and StackPower
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Strong security with 802.1X, ACLs, and control plane protection
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Built-in redundancy support with optional second PSU
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Flexible NetFlow and QoS for traffic optimization
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Managed via CLI, SNMP, Telnet, SSH
Specifications
| Category | Details |
|---|---|
| Device Type | Managed Layer 3 Switch – Stackable |
| Enclosure Type | Desktop / Rack-mountable (1U) |
| Ports | 12 x 1G/10G SFP+ |
| Performance | Switching Capacity: 320 Gbps Stacking Bandwidth: 480 Gbps |
| Routing Protocols | RIP, RIPng, IS-IS, IGMP (v2/v3), MLD, PBR |
| Capacity | IPv4 Routes: 24,000 VLANs: 4,000 SVIs: 1,000 NetFlow Entries: 24,000 |
| MAC Address Table | 32,000 entries |
| Jumbo Frame Support | 9,198 bytes |
| Management | SNMP (v1/2c/3), Telnet, SSH, CLI, TFTP, RMON |
| Authentication | SSH, RADIUS, TACACS+, Kerberos |
| Security & Features | ACL, QoS, DHCP Snooping, MSTP, VTP, VRF-Lite, ARP inspection, 802.1x |
| Expansion Interfaces | 1 x Expansion Slot 2 x Network Stack Ports 1 x USB-A 1 x Mini-USB Console 1 x RJ-45 Console 1 x RJ-45 Mgmt |
| RAM / Flash | 4 GB / 4 GB |
| Power Supply | 1 Installed (350W), Supports 1+1 Redundancy |
| Voltage | AC 120/230 V (50–60 Hz) |
| MTBF | 371,440 hours |
| Dimensions (W x D x H) | 17.5 in x 17.7 in x 1.8 in |
| Weight | 12.79 lbs |
| Software | Cisco IOS IP Base |
| Certifications | RoHS, FCC, UL, EN, VCCI, BSMI, and more |












