Extended Edge Switching<br>The X590 Series can serve as the controlling aggregation switch within Extreme's innovative Extended Edge Switching solution, simplifying the deployment and operation of connected edge switches. With both copper and fiber high-density 10Gb port options, the X590 Series can also flexibly accommodate top of rack and spine/leaf deployments.<br><br>ExtremeXOS Intelligent L2/L3 Switching<br>The ExtremeSwitching X590 Series series supports sophisticated, intelligent Layer 2 switching, as well as Layer 3 IPv4/IPv6 routing, including policy-based switching and routing. The X590 Series simplifies network operation with the ExtremeXOS modular operating system, which is used across a wide range of ExtremeSwitching networking products.<br><br>High-Performance 400Gb Stacking<br>The X590 Series supports SummitStack-V400 400Gbps high-speed stacking using 2 100Gb ports. Up to 8 X590, X690 or X870 systems can be stacked using SummitStack-V400. Any of the supported 100Gb QSFP28 direct attach cables can be used for the stacking links.