The Arista 7300X are modular systems for high density 10GbE and 40GbE with up to 512 ports of 40G available in a choice of three systems each with reversible airflow. Ideal for building leaf/spine or spline™ data center networks. Designed for large scale leaf / spine and spline networks the Arista 7300X and 7320X Series modular switches deliver industry leading density and performance with a rich choice of interface types for server leaf and spine network deployment. They combine scalable L2 and L3 features with comprehensive network monitoring, virtualization and visibility features.