The HP E4800G Switch series is a Gigabit switch family that delivers outstanding security, reliability, & multi-service support capabilities for robust switching at the edge or aggregation layer of large enterprise & campus networks, or in the core layer of medium- & small-sized enterprise networks. Power over Ethernet (Po E) model is offered with 10 Gigabit expansion capability & small form-factor pluggable (SFP) mini-GBIC Gigabit combo ports for fiber flexibility. The all-SFP model with dual power supplies, for highest availability applications, allows for very flexible fiber with copper Gigabit connectivity.