DIGISOL DG-GS4900SE series next-generation Layer 3 switch from DIGISOL with advanced architecture and, built-in modular 1+1 redundant power supplies. These switches provide high availability, scalability, security, energy efficiency, and ease of operation with innovative features such as VSF, IEEE 802.3at optional, redundant power supplies, and OpenFlow. It is ideal for high-density aggregation or core layer as its high performance, availability, and reliability.