The Lenovo ThinkSystem NE2552E Flex Switch is an embedded switch module for Flex System that is designed for the data center to provide 10 Gb/25 Gb/50 Gb Ethernet server connectivity with 50 Gb/100 Gb Ethernet upstream links. It is an enterprise class Layer 2 and Layer 3 full featured switch that delivers line-rate, high-bandwidth switching, filtering, and traffic queuing without delaying data. Large data center-grade buffers help keep traffic moving, while the numerous high-availability software features help provide high availability for business sensitive traffic.