Extreme Networks S series traffic-based switches bring high-performance distributed switching to network access layer, distribution layer, enterprise/campus core and data center. S-series includes 8-slot S8, 6-slot S6, 4-slot S4, 3-slot S3, 1-slot S1A chassis and fixed configuration S-series standalone (SSA). S Series provides the highest switch port density per rack unit in the market, and is future-proof and scalable, providing an overall system capacity of up to 9 megabits and a half.