EXTREME NETWORKS INC Summit X450-G2 24 10/100/1000BASE-T POE+, 4 10GBASE-X unpopulated SFP+, two 21GB stacking ports), 2 unpopulated power supply slots

Scalable Cost-effective Family of Edge Switches
Role-based policy and host integrity enforcement, and identity management. Universal Port Dynamic Security Profiles to provide fine granular security policies in the network

Flexible Port Configuration
All models come equipped with either 4 ports of SFP+ 10 GbE or 4 ports of SFP 1GbE resident on the faceplate of each model.

High-Performance Stacking
Up to eight X450-G2 switches can be stacked using two different methods of stacking: SummitStack-V, and SummitStack-V84. Each X450-G2 unit comes equipped with 2 ports of 21 Gigabit stacking ports via a QSFP interface.