Extreme Networks - expansion module - 2 ports - plug-in module

The 5720 series is a family of high-performance, feature-rich edge and aggregation switches designed for the next-generation digital enterprise. The 5720 is a universal hardware platform, providing end-to-end secure network segmentation and advanced policy capabilities. The 5720 is a uniquely flexible, stackable platform that can be deployed across a range of edge, aggregation, and wiring closet environments.