H3c S5120V3-28S-LI i Switch High Power Lithium Battery System

The H3C S5120V3-28S-LI is a high-performance Layer 2+ managed switch designed for enterprise access and aggregation layers. Featuring 24x 10/100/1000BASE-T ports and 4x 1G/10G SFP+ uplinks, this H3C switch delivers flexible connectivity, advanced security features, and energy-efficient operation. With support for IRF stacking technology and comprehensive management capabilities, the S5120V3-28S-LI is an ideal solution for modern business networks requiring reliability and scalability.

• 24x Gigabit Ethernet ports + 4x 1G/10G SFP+ uplink ports
• IRF (Intelligent Resilient Framework) stacking technology
• IPv4/IPv6 dual-stack support with advanced routing protocols
• Comprehensive security: 802.1X, MAC authentication, ACLs, ARP protection
• Energy-efficient design with auto power-down and EEE support
• Advanced QoS for voice and video traffic prioritization

The S5120V3-28S-LI supports key networking protocols including STP/RSTP/MSTP, LACP, static routing, RIP, and OSPF. It features H3C's innovative IRF technology for virtual stacking of up to 9 devices, SmartMC for centralized management, and robust Layer 2-4 ACLs for granular traffic control.

This H3C switch operates at both access and aggregation layers, connecting end-user devices while providing high-speed uplinks to core network equipment. Using hardware-based forwarding and policy-based traffic management, it ensures low latency and high reliability. The IRF technology allows multiple S5120V3-28S-LI switches to be stacked and managed as a single logical device, simplifying network operations and enhancing redundancy.

Ideal for medium to large enterprises, campus networks, and commercial deployments, the S5120V3-28S-LI is commonly deployed in:

• Enterprise access layer connectivity
• Campus network aggregation
• IP surveillance and VoIP systems
• Wireless LAN controller connectivity
• Small to medium data center edge networks

• Superior price-to-performance ratio among H3C access switches
• Future-proof design with 10G SFP+ uplink capabilities
• Advanced security features compared to similar-class competitors
• Flexible stacking technology reduces management complexity
• Energy-efficient operation lowers total cost of ownership

We offer comprehensive support including manufacturer warranty, global shipping, and 24/7 technical assistance. All H3C products undergo rigorous testing before shipment. Custom configuration and integration services are available for large deployments.

• Ensure adequate ventilation and maintain operating temperature between 0°C to 45°C
• Use compatible SFP/SFP+ modules for fiber uplink connections
• Verify power requirements and proper grounding for stable operation
• Regularly update firmware to the latest version for security enhancements
• Follow ESD precautions during installation and maintenance

With over a decade of industry experience, we operate a large-scale facility supported by a strong technical team. We have built a vast customer base and offer competitive pricing on top-tier networking products from leading brands including H3C, Mellanox, Ruckus, Aruba, and Extreme. Our inventory includes over 10 million units of network switches, adapters, wireless access points, controllers, and cables. We provide global shipping, 24/7 customer service, and technical support, ensuring reliable and efficient solutions for businesses worldwide. Our professional sales and technical teams have earned us a high reputation in the global market.