The HP ProCurve 3500-48-PoE Layer 3 Switch is the most advanced intelligent edge switch in the HP ProCurve Networking product line. The foundation for ProCurve 3500-48-PoE Layer 3 Switch is a purpose-built, programmable ProVision ASIC that allows the most demanding networking features, such as Quality of Service (QoS) and security, to be implemented in a scalable yet granular fashion.