Summit X450e series switches are based on the revolutionary ExtremeXOS core-class operating system from Extreme Networks. ExtremeXOS is a highly resilient, modular operating system that provides continuous uptime, manageability and operational efficiency.Summit X450e provides high availability and performance with its advanced traffic management capabilities to support large scale rollout of converged network that supports devices such as IP telephones, wireless APs and other devices that require power from a LAN connection. With low-latency line-rate performance, Summit X450e supports the 802.3af standards-based PoE on every port.