The HP 4500 Switch Series are managed, stackable 10/100 Ethernet switches that provide secure, flexible LAN connectivity for enterprise & branch office networks. HP E4500 switches offer Layer 2 switching & dynamic Layer 3 routing, as well as robust security, Quality of Service (Qo S), & management features to deliver intelligent edge connectivity for essential business applications. Dual-personality ports allow for both copper & fiber Gigabit uplink connections. The switch supports true stacking with the ability to stack up to eight switch units-384 10/100 ports per stack-with single IP management & distributed aggregated links for high uplink resiliency.