The HP A5120G EI Switch series are Gigabit Ethernet switches that support static Layer 3 routing, diversified services, & IPv 6 forwarding & provide up to four 10-Gigabit Ethernet (10 Gb E) extended interfaces. Unique Intelligent Resilient Framework (IRF) technology creates virtual fabric by virtualizing several switches into one logical device, which increases network resilience, performance, & availability while reducing operational complexity. These switches provide 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. Please note: networking components such as switches, routers & wireless devices require that speeds & standards be consistent throughout the network to gain optimum performance. To avoid compatibility clashes or for advice, please contact us on solutions@ebuyer.com.