United States$5,000,000+
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Adrian Blake
5
12-port SFP IP Services switch is compact, reliable, and handles small branch deployments efficiently.
WS-C3750X-12S-E
Catalyst 3750X 12 Port GE SFP IP Services
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WS-C3750X-12S-E
- Description:
- Catalyst 3750X 12 Port GE SFP IP Services
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- Brand:
- Cisco
- GTIN:
- 751889007207
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WS-C3750X-12S-E Overview
WS-C3750X-12S-E is a fixed-configuration, stackable switch designed with a robust architecture that integrates 12 SFP ports to deliver reliable fiber connectivity. Built for high performance and scalability, it supports advanced Layer 2 and Layer 3 routing features with Cisco StackWise-480 stacking technology, ensuring simplified network management and enhanced network resiliency.
This switch offers efficient power options through an integrated AC power supply and delivers impressive switching capacities suitable for enterprises, campus networks, and branch office environments. Its design emphasizes scalability and performance, making it ideal for applications that demand streamlined high-speed connectivity and efficient data flow in a compact rack-mount form factor.
WS-C3750X-12S-E price is is available on request. Get immediate quote.
Request bulk order quote for WS-C3750X-12S-E for additional pricing. Browse the full Catalyst 3750 Switches series or explore all Cisco products.
WS-C3750X-12S-E Specifications
- Product Type
- Switch
- Power Source
- AC Power Supply
- Layer Supported
- Layer 2 / Layer 3
- Form Factor
- Rack-mount
- Power Consumption
- 231 W
- Number of Ethernet Ports
- 12–24 Ports
- Number of Downlink Ports
- 12 Ports
- Manageable
- Managed
- Ethernet Technology
- 10/100/1000
- Media Type Supported
- Fiber
- Redundant Power Supply Supported
- No
- Manufacturer Part Number
- WS-C3750X-12S-E
- Uplink Configuration
- 1G
- IOS
- IP Lite
- POE Support
- Non POE
- SFP Ports
- 12 SFP Ports
- Memory
- 512 MB
- Rack Units
- 1 RU
- Interface Ports
- 10/100/1000
- Port/Expansion Slot Details
- 12 SFP ports with StackWise-480 stacking capability
- Flash Memory
- 128 MB
- Switching Capacity
- 160 Gbps
- Switching Capacity with Stacking
- 320 Gbps
- Product Name
- Cisco Catalyst 3750-X 12S-E Switch
- Height
- 1.73 inches
- Width
- 17.52 inches
- Depth
- 10.31 inches
- Weight
- 13.2 lbs
WS-C3750X-12S-E Use Case
Scalable Campus Backbone Aggregation with High-Availability Fiber Uplinks
In a large enterprise campus connecting 20+ buildings and 5,000+ endpoints, IT deploys Catalyst 3750X 12 Port GE SFP IP Services as the distribution-layer backbone. Twelve 1 Gb SFP fiber uplinks provide low-latency, high-bandwidth transport, while StackWise-Plus delivers 64 Gbps of switch-stack resiliency. Advanced routing (OSPF/EIGRP), SVI-based VLAN segmentation and nonstop forwarding ensure seamless failover, reducing downtime by 70% and future-proofing network growth.
Data Center Leaf-Switch for Virtualized Workloads with QoS and Multicast
In a mid-sized data center, the Catalyst 3750X 12 Port GE SFP IP Services functions as a leaf switch for server and storage clusters over 1 Gb fiber. Policy-based QoS, PIM-SM multicast and IPv6 support guarantee deterministic performance for virtual machines, backup traffic and live migrations. The result is a 55% improvement in VM migration times, end-to-end application SLAs and simplified multi-protocol routing at the network edge.
Campus Multi-Tenant Network Segmentation with VRF-Lite and Secure Fiber Links
A university IT department uses Catalyst 3750X 12 Port GE SFP IP Services to deliver isolated networks for administration, research labs, guest Wi-Fi and IoT devices. Twelve dedicated fiber SFP ports feed each tenant VLAN into VRF-Lite instances, enforcing strict traffic separation without additional hardware. This design boosts security posture, streamlines policy management and accelerates provisioning—cutting service activation times from days to hours.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
 WS-C3750X-12S-E |  WS-C3750X-48T-S |  WS-C3750X-48P-S |  WS-C3750X-48T-E |  WS-C3750X-48U-L | |
|---|---|---|---|---|---|
| Depth | 10.31 inches | 15.5 inches | 11.8 inches | 18.9 inches | 18.0 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 128 MB | 256 MB | 128 MB | 256 MB | 64 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.73 inches | 1.73 inches | 1.73 inches | 1.75 inches | 1.73 inches |
| IOS | IP Lite | LAN Base | IP Services | LAN Base | IP Lite |
| Interface Ports | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Layer Supported | Layer 2 / Layer 3 | Layer 2 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | WS-C3750X-12S-E | WS-C3750X-48T-S | WS-C3750X-48P-S | WS-C3750X-48T-E | WS-C3750X-48U-L |
| Media Type Supported | Fiber | Combo | Twisted Pair / Fiber / Combo | Combo | Twisted Pair / Fiber / Combo |
| Memory | 512 MB | 512 MB | 512 MB | 512 MB | 256 MB |
| Number of Downlink Ports | 12 Ports | N/A | 48 Ports | 48 Ports | 4 Ports |
| Number of Ethernet Ports | 12–24 Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports |
| POE Support | Non POE | Non POE | POE+ | Non POE | Non POE |
| Port/Expansion Slot Details | 12 SFP ports with StackWise-480 stacking capability | 48 x 10/100/1000 Ethernet ports, 4 x 1G SFP uplink ports | 48 PoE ports, 4 SFP uplink ports | 48 Ethernet ports, 4 SFP uplink ports | 48 fixed 10/100/1000 Ethernet ports with 4 fixed 1G SFP uplink interfaces |
| Power Consumption | 231 W | 235W | 495W | 365 W | 240W |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | Redundant Power Supply / AC Power Supply / N/A | AC Power Supply |
| Product Name | Cisco Catalyst 3750-X 12S-E Switch | Cisco Catalyst 3750-X 48-Port 10/100/1000 Ethernet Switch with LAN Base Software | Cisco Catalyst 3750X-48P-S | Catalyst 3750-X 48-Port 10/100/1000, 4 x 1G SFP, LAN Base | Cisco Catalyst 3750-X 48-Port Uplink Switch (WS-C3750X-48U-L) |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | 1 RU | 1 RU | 1 RU | 1 RU | 1 RU |
| Redundant Power Supply Supported | No | No | Yes | Yes | No |
| SFP Ports | 12 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 160 Gbps | 176 Gbps | 160 Gbps | 176 Gbps | 176 Gbps |
| Switching Capacity with Stacking | 320 Gbps | 480 Gbps | 480 Gbps | 160 Gbps | 160 Gbps |
| Uplink Configuration | 1G | 1G | 10G | 1G | 1G |
| Weight | 13.2 lbs | 25 lbs | 37 lbs | 25 lbs | 31.8 lbs |
| Width | 17.52 inches | 17.5 inches | 17.5 inches | 17.5 inches | 17.5 inches |
Reviews & Ratings
M
Melanie Carter
4
Stable performance and minimal downtime in enterprise networks.
D
Derek Lane
5
Easy to manage and integrates well into existing Cisco environments.
F
Fiona Brooks
4
Perfect for high-performance uplinks and edge connectivity.
J
Julian Hayes
4
Predictable throughput and solid Cisco reliability.
Questions & Answers
What is the Cisco Catalyst 3750X 12 Port GE SFP IP Services (WS-C3750X-12S-E)?
The WS-C3750X-12S-E is a 1U fixed switch offering 12 Gigabit SFP uplink ports, integrated IP Services, and Cisco StackWise Plus for scalable, high-performance LAN deployments.
How many SFP ports does the Catalyst 3750X 12S provide?
It provides 12 Gigabit SFP slots that support a variety of Cisco and MSA-compliant third-party transceivers for fiber or copper connectivity.
What is the stacking bandwidth of the WS-C3750X-12S-E?
The switch features Cisco StackWise Plus with up to 480 Gbps of stacking bandwidth and supports stacking up to nine units for unified management.
Does the WS-C3750X-12S-E support advanced IP Services features?
Yes, it includes the IP Services license enabling Layer 3 routing protocols such as OSPF, EIGRP, BGP, PIM multicast, and full IPv6 routing.
What is the switching capacity and forwarding rate of the 3750X 12S?
The switch delivers 176 Gbps of switching capacity and forwards up to 95.2 Mpps, ensuring wire-speed performance for converged traffic.
Which SFP modules are compatible with the 3750X 12 Port GE SFP switch?
It is compatible with Cisco GLC-SX, GLC-LX, GLC-ZX, GLC-T transceivers and third-party SFPs that comply with the MSA standard.
Is the WS-C3750X-12S-E hot-swappable?
Yes, it supports hot-swappable power supplies and fans, allowing non-disruptive component replacements and maximum uptime.
What are the physical dimensions and weight of the Catalyst 3750X 12S?
It measures 1.72 x 17.5 x 13 inches (4.4 x 44.5 x 33.1 cm) and weighs approximately 11 lbs (5 kg), fitting standard 19-inch racks.
What power options and consumption does the 3750X 12 Port GE SFP switch offer?
It includes a 740 W AC power supply, consuming about 82 W at idle and 165 W at full load, with redundant power-supply support.
What environmental specifications does the WS-C3750X-12S-E support?
It operates between 32°F and 104°F (0°C to 40°C), at 10–90% non-condensing humidity, and stores from –40°F to 158°F (–40°C to 70°C).
Does the Catalyst 3750X 12S support Cisco StackWise Plus technology?
Yes, it integrates StackWise Plus to deliver high availability, single-system management, and seamless failover across a nine-switch stack.
What licensing options are available for the WS-C3750X-12S-E?
It ships with an IP Services license and supports Cisco Smart Licensing for flexible upgrades or downgrades to IP Base or Advanced IP Services.
How can I upgrade the IOS software on the 3750X 12 Port GE SFP switch?
Use CLI commands like 'archive download-sw' or 'copy tftp flash' to install images, then register and activate via Cisco Smart Licensing.
What security features are included in the WS-C3750X-12S-E?
It offers 802.1X authentication, ACLs, DHCP snooping, IP Source Guard, Dynamic ARP Inspection, BPDU guard, SSH, and SNMPv3 for robust security.
What warranty and support options are available for the Catalyst 3750X 12S?
It includes a limited lifetime hardware warranty with next-business-day replacement and optional Cisco SMARTnet for 24x7 technical support.