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by Cisco
Product Line: Cisco Catalyst Switches
Product Type: Switch
Sold out
Original price $258.00 - Original price $474.00
Original price
$258.00 - $474.00
Current price $474.00
Title: Surplus

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Product Description

The WS-C3750X-12S-E Cisco switch features 12 stackable GE SFP Ethernet ports within a 1 RU form factor, designed for high-density networking environments. It supports a switching fabric of 160 Gbps and a forwarding rate of 35.7 Mpps, complemented by 512 MB DRAM and 128 MB flash memory for efficient data processing and storage. This model is equipped with an IP Services feature set, allowing for advanced layer 3 switching capabilities across 1005 VLANs and up to 8K unicast routes, with a power supply rated at 350 W.

Key Feature for the WS-C3750X-12S-E

  • What is the number of ports available on this networking device?
    The device comes with 12 ports.
  • How does the AC power supply rating of the 350 W model contribute to its performance?
    The 350 W AC power supply ensures sufficient power for all the device's operations, contributing to its efficiency and reliability.
  • Can you stack the GE SFP Ethernet ports on this device?
    Yes, the GE SFP Ethernet ports are stackable, allowing for expanded network capacity and simplified management.
  • What form factor is this device designed in?
    It is designed in a 1 RU form factor, optimizing space efficiency in data center racks.
  • What type of feature set does the device offer?
    It offers the IP Services feature set, providing advanced network services and capabilities.
  • How many layers does this network device support?
    The device supports multiple layers, enhancing its versatility for different networking tasks.
  • What is the forwarding rate of this device?
    The forwarding rate is 35.7 Mpps, ensuring fast data processing and transmission.
  • Can you provide details on the device's switching fabric capacity?
    The device boasts a switching fabric capacity of 160 Gbps, facilitating high-speed data transfer across the network.
  • How much DRAM is available on this device?
    It is equipped with 512 MB of DRAM, supporting efficient processing and multitasking.
  • What is the significance of having 128 MB of flash memory in this device?
    The 128 MB of flash memory provides sufficient space for the operating system and network configurations, aiding in quick boot times and configuration retrieval.

Product Review

The Cisco WS-C3750X-12S-E switch offers 12 stackable GE SFP Ethernet ports, a 350W AC power supply, and operates within a 1 RU form factor, catering to networks requiring high-density and efficient space utilization. With a forwarding rate of 35.7 Mpps and a switching fabric of 160 Gbps, it supports high-speed data processing and large volumes of traffic, although it might be limited by its 512 MB DRAM and 128 MB flash memory in extremely demanding environments. Additionally, the switch boasts an extensive feature set including IP services, support for up to 1005 VLANs, and a Mean Time Between Failures (MTBF) of 194,224 hours, making it reliable yet potentially underpowered for future, more demanding network applications.


The Cisco WS-C3750X-12S-E is a stackable Gigabit Ethernet switch designed to enhance operational efficiency, adapt to changing business needs, and reduce operational costs. This model is equipped with 12 SFP Ethernet ports, making it suitable for high-speed connectivity and uplink flexibility. The switch operates on an AC power supply of 350 W and fits into a compact 1 Rack Unit (RU) form factor, making it ideal for space-constrained environments. At the core of its performance, the WS-C3750X-12S-E features a forwarding rate of 35.7 Mpps (million packets per second) and a switching fabric of 160 Gbps, ensuring high-speed data processing and traffic management. The switch is built to support multiple layers of networking, offering versatility for both simple and complex network architectures. It comes with the IP Services feature set, providing advanced layer 3 features. The hardware specifications highlight the switch's capacity for handling large volumes of data and managing network traffic efficiently. It includes 512 MB of DRAM and 128 MB of flash memory, facilitating smooth operation and sufficient storage for the network operating system and configuration files. The switch supports up to 1005 VLANs with 4K VLAN IDs, allowing for extensive network segmentation and improved security. Additionally, the WS-C3750X-12S-E can manage up to 1K total Switched Virtual Interfaces (SVIs), enhancing its routing capabilities. The switch's capacity for handling large frames is demonstrated by its support for jumbo frames up to 9216 bytes, beneficial for reducing overhead in large data transfers. It can manage up to 468 routed ports per 3750-X stack, showcasing its scalability and flexibility in network design. The WS-C3750X-12S-E supports a comprehensive range of addresses and routes, including 6K MAC addresses, 1K IGMP groups, 1K multicast routes, 8K unicast routes, and up to 6K directly connected hosts, with an additional 2K indirect routes. Security and quality of service (QoS) are also paramount, with the switch supporting up to 0.5K QoS classification Access Control Entries (ACEs) and 1K security ACEs, ensuring prioritized traffic flow and safeguarding network data. The physical dimensions of the switch are 1.75 x 17.5 x 18.0 inches, and it boasts a Mean Time Between Failures (MTBF) of 194,224 hours, underlining its reliability and durability in continuous operation. Key hardware specifications include: -
  • 12 Stackable GE SFP Ethernet ports for high-speed connectivity.
  • 350 W AC power supply and 1 RU form factor for efficient power usage and space-saving installation.
  • IP Services feature set offering advanced layer 3 networking capabilities.
In summary, the Cisco WS-C3750X-12S-E is engineered for enterprises requiring a high-performance, scalable, and feature-rich networking solution. Its extensive support for VLANs, routed ports, and advanced security features, combined with its compact size and reliability, make it an excellent choice for businesses looking to build resilient and efficient networks.


Item Number Cisco WS-C3750X-12S-E
Manufacturer Cisco
Ports Count 12
Port Configuration Stackable Gigabit Ethernet SFP
Power Supply Rating 350 Watts
Enclosure Type 1 Rack Unit
Software Edition IP Services
Operating Layers Multiple
Packet Forwarding Rate 35.7 Million pps
Switching Capacity 160 Gigabits per second
Memory (DRAM) 512 Megabytes
Storage (Flash) 128 Megabytes
VLAN Support 1005 VLANs
VLAN Identifier Range 4096 IDs
Switched Virtual Interfaces (SVIs) Up to 1000
Max Frame Size 9216 Bytes
Routed Interfaces per Stack 468
MAC Address Capacity 6000
IGMP Group Limit 1000
Multicast Routing Entries 1000
Unicast Routing Entries 8000
Hosts (Directly Attached) 6000
Indirect Routing Paths 2000
Quality of Service Rules 500
Security Access Control Entries 1000
Dimensions 1.75 x 17.5 x 18.0 inches
Mean Time Between Failures 194,224 Hours

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