Cisco Catalyst 3750X WS-C3750X-12S-S 12-Port GbE SFP IPBase Managed Switch WSC3750X12SS

Description:

The Cisco WS-C3750X-12S-S Catalyst Switch is a managed Layer 3 enterprise switch designed to provide high-performance fiber-based network connectivity within Cisco campus and enterprise switching infrastructures. It features 12 Gigabit Ethernet SFP ports for fiber optic connections and operates on the Cisco Catalyst 3750-X Series platform, supporting advanced routing, network security, and scalable switching capabilities for business networks. The switch supports Cisco StackWise Plus technology, allowing multiple switches to operate as a unified system for simplified network management and increased redundancy. Commonly installed in enterprise distribution layers, data centers, and campus network backbones where high-speed fiber connectivity and reliable switching performance are required. Maintenance teams, network administrators, and system integrators deploy this switch for fiber network expansion, infrastructure upgrades, backbone connectivity, or replacement of legacy enterprise switches.

Applications:

The Cisco WS-C3750X-12S-S switch is used in enterprise network infrastructures to provide high-speed fiber optic switching and Layer 3 routing capabilities for business-critical network environments. It is commonly deployed in corporate campuses, data centers, telecommunications rooms, and enterprise backbone networks where fiber-based connectivity is required for long-distance and high-bandwidth communication. Network engineers install this switch to interconnect distribution switches, connect servers and storage networks, and maintain reliable high-speed data communication across large organizational network infrastructures.

Technical Specifications:

• Manufacturer Part Number (MPN): WS-C3750X-12S-S
• Brand: Cisco
• Product Type: Managed Fiber Ethernet Switch
• Series: Cisco Catalyst 3750-X Series
• Ports: 12 × Gigabit Ethernet SFP ports
• Interface Type: SFP fiber optic interfaces
• Switching Capacity: Up to 160 Gbps
• Forwarding Rate: Up to 65.5 Mpps
• Layer Support: Layer 2 and Layer 3 switching
• Stacking Technology: Cisco StackWise Plus
• Uplink Module Support: Cisco C3KX network modules (SFP/SFP+)
• Management Interfaces: CLI, SNMP, Web-based management
• Mounting Type: Rack-mountable (1U form factor)
• Deployment Type: Enterprise distribution layer or fiber aggregation switch

Common Replacements:

• Cisco C9300-24S-E Catalyst 9300 Series Switch
• Cisco WS-C3850-12S-S Catalyst 3850 Series Switch
• Cisco C9200-24S-A Catalyst 9200 Series Switch