HP E4210G Switch Series are entry-level Gigabit Ethernet LAN switches with enterprise-class quality of service (Qo S), security, & management features, delivering high value for network administrators looking for an economical edge device. Available Power over Ethernet (Po E) models are ideal for voice over IP & wireless networking installations, while non-Po E models are also available for simple port expansion. Dual-personality ports allow flexibility, including the ability to add 10 Gigabit Ethernet capability. Setting them apart from lower-end devices, the series switches support an industry-standard comm&-line interface, Web-based administration, & SNMP management. In addition, they support Intelligent Resilient Framework (IRF) stacking of up to four units.