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Cisco Catalyst3750Series

Catalyst 3750X 12 Port GE SFP IP Base


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Cisco Catalyst 3750 Series Switch

The Cisco Catalyst 3750 Series Switch is an innovative product for midsize organizations and enterprise branch offices. Featuring Cisco StackWise technology, the switch improves LAN operating efficiency by combining ease of use and the highest resiliency available for stackable switches. Cisco StackWise technology is a revolutionary stacking architecture that brings high levels of resiliency, automation, and performance to stackable switches. With Cisco StackWise technology, customers can create a single, 32-Gbps switching unit with up to nine Catalyst 3750 Series Switch units.

Full specifications (PDF)

Manufacturer part number: WS-C3750X-12S-S

General Information

  • Product Type: Layer 3 Switch
  • Product Series: 3750-X
  • Brand Name: Cisco
  • Manufacturer: Cisco Systems, Inc
  • Product Model: 3750X-12S-S
  • Product Name: Catalyst 3750X-12S-S Layer 3 Switch
  • Product Line: Catalyst

Physical Characteristics

  • Compatible Rack Unit: 1U
  • Form Factor: Rack-mountable


  • Stack Port: Yes
  • Port/Expansion Slot Details: 12 x Gigabit Ethernet Expansion Slot
  • Token Ring Port: No
  • LRE Port: No

Management & Protocols

  • Manageable: Yes
  • Management:
    • QoS
    • VLAN
    • Embedded Event Manager
    • Command-line interface
    • SNMPv1, v2c, v3
    • DHCP
    • Telnet
    • RMON
    • Syslog
    • CiscoWorks LAN Management Solution
    • Cisco Network Assistant

Power Description

  • PoE (RJ-45) Port: No
  • Input Voltage:
    • 110 V AC
    • 220 V AC
  • Redundant Power Supply: Yes
  • Power Source: Power Supply

I/O Expansions

  • Number of Total Expansion Slots: 13
  • Expansion Slot Type: SFP
  • Number of SFP Slots: 12


  • Memory Technology: DRAM
  • Flash Memory: 128 MB
  • Standard Memory: 256 MB

Media & Performance

  • Ethernet Technology: Gigabit Ethernet

Network & Communication

  • Layer Supported: 3


  • Limited Warranty: Lifetime