• Cisco Catalyst 9300 WS-C3850-12XS-E 12x 10G SFP+ Switch
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Cisco

Cisco WS-C3850-12XS-E | Catalyst 3850 12-Port 10G SFP+ Switch, 4x 10G SFP+, Layer 3

WS-C3850-12XS-E

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Description

The Cisco WS-C3850-12XS-E is an enterprise-class stackable Layer 3 switch delivering 12 fixed 10G SFP+ ports with IP Services feature set. Built on the Cisco StackWise-480 platform, it supports up to 9-switch stacks with 480 Gbps stacking bandwidth and includes an integrated wireless controller for unified wired-wireless management. Ideal for high-performance campus cores, aggregation layers, and data center access deployments requiring advanced routing and security.

Features

Advanced Layer 3 routing: Full OSPF, EIGRP, BGP, PBR, VRF-lite, PIM, and MPLS support
- Cisco StackWise-480 technology for 480 Gbps stack bandwidth across up to 9 members
- Cisco StackPower for shared and redundant power distribution across stack members
- Integrated wireless controller supporting 802.11ac with up to 40 Gbps wireless capacity per 48-port stack
- Flexible NetFlow with 48,000 flow entries for application visibility and monitoring
- Comprehensive QoS with 8 egress queues per port and advanced traffic prioritization
- Advanced security: MACsec AES-128 encryption, 802.1X authentication, TrustSec, DHCP snooping, dynamic ARP inspection
- Cisco EnergyWise for intelligent power management and monitoring
- Hot-swappable dual redundant power supplies and modular fans
- Support for jumbo frames up to 9,198 bytes
- Cisco UADP ASIC for unified wired-wireless policy enforcement and application optimization
- Dual stacking connectors (StackWise-480 and StackPower) with field-replaceable cables

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Datasheet

Manual

Technical Specifications

12x 10G SFP+ ports (1G/10G capable)
- 1x network module slot (supports C3850-NM-4-10G with 4x 10G SFP+ uplinks)
- Switching capacity: 320 Gbps
- Forwarding rate: 227.28 Mpps
- Stacking bandwidth: 480 Gbps (StackWise-480)
- MAC address table: 32,000 entries
- DRAM: 4 GB
- Flash memory: 4 GB
- VLANs: 4,000 VLAN IDs, 1,000 active VLANs
- Power supply: 350W AC (PWR-C1-350WAC), dual redundant capable
- Management: Console (RJ-45, mini-USB), Gigabit Ethernet management port, USB Type A
- Stacking: 2x StackWise-480 ports, 2x StackPower ports (up to 9 switches per stack)
- Form factor: 1RU rack-mountable
- Dimensions: 44.5 x 45.0 x 4.45 cm (17.5 x 17.7 x 1.8 in)
- Integrated wireless controller (supports up to 100 access points and 2,000 clients per stack)

FAQs

Q: What network module is compatible with the WS-C3850-12XS-E?
A: The WS-C3850-12XS-E supports only the C3850-NM-4-10G network module, which provides 4x 10 Gigabit Ethernet SFP+ uplink ports. This module is sold separately and must be installed in the single network module slot on the rear of the switch.

Q: Can the SFP+ ports support 1G SFP transceivers?
A: Yes, all 12 SFP+ ports are backward compatible and support both 10 Gigabit Ethernet and 1 Gigabit Ethernet SFP/SFP+ transceivers, allowing flexible migration from 1G to 10G as network demands evolve.

Q: What is the difference between IP Services and IP Base feature sets?
A: The IP Services feature set includes full Layer 3 routing protocols (OSPF, EIGRP, BGP, PBR, VRF, PIM, MPLS) and advanced security features, while IP Base offers entry-level Layer 3 capabilities. IP Services switches can only stack with other IP Services switches in the Catalyst 3850 series.

Q: How many switches can be stacked with StackWise-480?
A: The WS-C3850-12XS-E supports stacking up to 9 switches using StackWise-480 technology, delivering 480 Gbps of stack throughput. StackPower technology allows up to 4 switches to share power resources for redundancy.

Q: Does this switch support Power over Ethernet?
A: No, the WS-C3850-12XS-E does not support PoE. It has 12 SFP+ fiber ports designed for high-speed uplinks and aggregation, not for powering endpoint devices.

Datasheet

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Manual

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