Cisco
Cisco WS-C3750X-12S-E Catalyst 3750X 12-Port GE SFP Layer 3 Managed Stackable Switch
PO and Net 30 available for schools, government, hospitals, and law firms.
Description
Description
Cisco WS-C3750X-12S-E Catalyst 3750X — Enterprise-Class 12-Port GE SFP Switch
Save up to 80% over new pricing on this fully refurbished and tested Cisco Catalyst 3750X 12-port Gigabit Ethernet SFP switch with IP Services license. Ideal for enterprise campus, branch office, and data center access layer deployments requiring advanced Layer 3 routing, stacking, and fiber connectivity.
Key Specifications
- Part Number: WS-C3750X-12S-E
- Ports: 12x Gigabit Ethernet SFP (fiber)
- Switching Capacity: 160 Gbps
- Forwarding Rate: 35.7 Mpps
- Layer: Layer 3 Managed, Stackable
- Software: IP Services (Advanced L3 — OSPF, BGP, EIGRP, PIM, IS-IS)
- Memory: 512 MB DRAM / 128 MB Flash
- Power Supply: 350W AC (C3KX-PWR-350WAC) included
- Stacking: StackWise Plus (64 Gbps) & StackPower
- Security: MACsec hardware encryption, ACLs, DHCP Snooping, DAI
- Network Module Slot: 1x expansion slot (supports C3KX-NM-1G, C3KX-NM-10G, C3KX-NM-10GT)
- Management: USB Type-A, Mini-USB console, RJ-45 console, Gigabit RJ-45 OOB management
- Form Factor: 1RU rack-mountable
Why Buy from Reef Telecom?
- 10-Year Warranty — industry-leading coverage on all refurbished equipment
- Free Shipping on orders over $300
- Professionally inspected, tested, and restored to full operational standards
- Ships with AC power supply and rack mount kit
Compatibility & Use Cases
The Cisco Catalyst 3750X is backward compatible with Catalyst 3750 and 3750-E series switches. Deploy as an enterprise access layer switch, aggregation switch for fiber uplinks, or in a StackWise Plus ring for scalable campus networks. The IP Services feature set supports advanced IPv4/IPv6 routing, multicast, VRF-Lite, and QoS for converged voice, video, and data environments.
Specs & Details
Specs & Details
Shipping & Warranty
Shipping & Warranty
Free ground shipping on orders over $300. Same-day shipping on orders placed before 4PM EST.
All products include our industry-leading 10 Year Warranty backed by Reef Telecom.

We clean up after ourselves.
Ecommerce deliveries have a carbon footprint. That's why we support verified projects that remove carbon from the air.
Every delivery’s carbon footprint is calculated based on weight, shipping method, and distance traveled. We neutralize these emissions by purchasing verified carbon removal credits from groundbreaking projects.
With your purchase, you’ll join a community of proactive merchants and customers dedicated to a sustainable future. Together, we've removed emissions for over 81 million deliveries and removed over 56 thousand tonnes of carbon.
We work with a network of pioneering carbon removal companies that have been vetted by the commerce platform Shopify.
Reef Telecom Proudly Supports
-
Ocearch
2026 Monthly Shark Hero -
Coral Restoration Foundation
2025 Staghorn Donor -
Ocean Conservancy
2025 Donor
Smart IT. Clean Oceans. Boundless Possibilities.
Our goal is providing the highest quality refurbished equipment to promote environmentally-conscious equipment usage through it's lifecycle.