The HP 5120 EI switch series is Gigabit Ethernet switch that supports static layer 3 routing, diversified services, & IPv 6 forwarding, as well as provide up to four 10-Gigabit Ethernet (10 Gb E) extended interfaces. Unique Intelligent Resilient Framework (IRF) technology creates a virtual fabric by managing several switches as one logical device, which increases network resilience, performance, & availability while reducing operational complexity. This switch provides Gigabit Ethernet access & can be used at the edge of a network or to connect server clusters in data centers. High scalability provides investment protection with two expansion slots, each of which can support two-port 10 Gb E expansion modules. High availability, simplified management, & comprehensive security control policies are among the key features that distinguish this series.