The S5710-108C-PWR-HI is an Ethernet switch that provides 48 GE ports, 8 10GE SFP+ ports, and modular card slots. It has a large switching capacity of 1024 Gbit/s and can power devices via PoE. The switch is suitable for access, aggregation, or data center applications. It offers features such as high reliability, security, QoS, and IPv6 support. The document provides specifications, components, and purchasing information for the S5710-108C-PWR-HI Ethernet switch.