Smart, voice-ready HP E5500G Gigabit switches deliver outstanding performance, security, & reliability for robust switching to the enterprise edge. The series consists of Layer 2/3/4 Gigabit Ethernet & Po E switch with advanced features for the most demanding applications. Stackable up to eight units high, one stack can provide up to 448 Gigabit Ethernet ports with 96 Gbps of resilient stacking bandwidth, all centrally managed with high-end enterprise chassis-class availability. The traffic prioritization & automatic assignment of Vo IP traffic to dedicated VLANs help ensure time-sensitive traffic gets the priority necessary for optimal communications.