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WS-C3850-12XS-E Catalyst 3850 Switch SFP+


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Choosing the Cisco Catalyst WS-C3850-12XS-E switch is a strategic investment in your network infrastructure’s performance and scalability. With 12 10Gbps SFP+ ports, this switch enables lightning-fast fiber connectivity, benefiting data-intensive applications by minimizing transfer times and maximizing bandwidth. Its integrated wireless controller converges wired and wireless networks, simplifying management and creating a seamless user experience across the platform.

Implementing the WS-C3850-12XS-E comes with the peace of mind of enhanced redundancy and resilience, attributed to Cisco’s StackWise-480 technology. Businesses can stack up to nine switches, creating a unified system of switches that behaves as one. This switch’s 480 Gbps of stack bandwidth illustrates its capability to handle massive data traffic without bottlenecking, ensuring that your network is future-proof and prepared for increasing demand.

The IP Services feature set provides advanced layer 3 features, such as OSPF, EIGRP, BGP, and VRF-lite, allowing for more complex routing and network segmentation capabilities, crucial for large-scale deployments and enterprise environments. Security is also paramount, with features such as MACsec encryption, ensuring that data remains secure across the network.

By purchasing the WS-C3850-12XS-E, businesses can also enjoy simplified management through automation capabilities. These simplify operations, rapidly scale network deployments, and lower operating costs. As a trusted brand, Cisco’s Catalyst 3850 series switches have a longstanding reputation for reliability and endurance, leading to reduced downtime and support costs.

Lastly, the switch’s dual redundant power supply options and its energy-efficient design provide further operational savings and sustainability benefits. Selecting the WS-C3850-12XS-E is not just about meeting current network demands; it’s about preparing your business for the future while ensuring a secure, reliable, and user-friendly network environment.

WS-C3850-12XS-E switch provides 12 ports 10Gbps SFP+ connection with upgradeable IP services image and build in wireless controller provide fully convergence between wired and wireless on a single platform. It only supports 4 × 10 Gigabit Ethernet network module uplinks option.

Quick Specs

Figure 1 shows the appearance of the Cisco Catalyst WS-C3850-12XS-E.

Table 1 shows the Quick Specs.

Product Code


Enclosure Type

1 RU

Feature Set

IP Service

Network SFP uplink module selection



12 x 10/100/1000 10G SFP+ Optical ports

Maximum stacking number


Stack bandwidth

480 Gbps

Forwarding Performance


Switching Capacity



4 GB

Flash Memory

4 GB 


44.5 cm x 45.0 cm x 4.45 cm

Product Details

Figure 2 shows the front panel of the WS-C3850-12XS-E.


UID (blue beacon)

USB Type A storage port

Mode button

12 ports of 10G SFP+

Status LEDs

Network SFP uplink module slot

USB mini-Type B (console) port

· The switch supports one hot-swappable network module that provides uplink ports to connect to other devices. The switch should only be operated with either a network module or a blank module installed.

Figure 3 shows the back panel of the WS-C3850-12XS-E switch.


Ground connector

StackWise port connector

CONSOLE (RJ-45 console port)

StackPower connector

Fan module

Power supply modules

MGMT port

Figure 4 shows the StackWise-480 and StackPower connectors.

IP service feature set can only stack with other Catalyst 3850 Series IP service switches. Power stack capacity is supported by Cisco Stackpower technology to provide power redundancy among stacking members.

The Modules and Accessories

Table 2 shows some recommended modules and accessories of this switch.




Cisco 3850 Series 4 x 10GE Network Module


Cisco 3850 Series Power Supply 350W AC


Cisco 3850 Series Secondary Power Supply 350W AC Config 1 Secondary Power Supply


Cisco StackWise-480 50cm stacking cable for Cisco Catalyst 3850 series switch


Cisco StackWise-480 1m stacking cable for Cisco Catalyst 3850 series switch

Compare to Similar Items

Table 3 shows the comparison between WS-C3850-12XS-E and WS-C3850-12S-E.




Feature Set

IP Service

IP Service


12 ports of 10G SFP+ Ethernet fiber

connection with Flexible Netflow feature

12 ports of SFP Ethernet fiber

connection with Flexible Netflow feature

Network SFP

uplink module selection




Switch to Something New

Why Upgrade to Catalyst 9300? | See the Catalyst 9300 Series

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Purchasing the WS-C3850-12XS-E Catalyst 3850 Switch SFP+ from Northland Systems means accessing premium network equipment at wholesale prices. The 100% Low Price Guarantee ensures you’re getting high-quality, cost-effective solutions for your network infrastructure needs.

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Guaranteed Authenticity and Supreme Condition

The integrity of your network is paramount. Northland Systems assures the authenticity and condition of the WS-C3850-12XS-E, offering products either “New Sealed” or “Used / Refurbished,” each rigorously tested by certified Cisco engineers.

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Leverage Northland Systems’ proven track record since 1997 coupled with significant discounts on products. Their standing in the industry is a testament to their commitment to your satisfaction.

The Smart Choice with Pre-owned Hardware

Opting for pre-owned hardware like the WS-C3850-12XS-E delivers extensive benefits. Realize substantial cost savings, swift delivery, full warranty coverage, reduced environmental impact, and the ability to maintain system performance with legacy parts.

Choose Northland Systems for your Switches > Cisco Switches > Cisco Catalyst 3850 and enjoy the culmination of decades of expertise, economic efficiency, and unparalleled support, ensuring that your network remains robust and cutting-edge.

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Cisco Catalyst WS-C3850-12XS-E 12-Port SFP+ Switch, Network Module Slot

WS-C3850-12XS-E Catalyst 3850 Switch SFP+

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