HP 2920-48G Switch (J9728A) Traffic prioritization (IEEE 802.1p) Layer 4 prioritization Class of Service (CoS) Rate limiting Large buffers Auto-MDIX HP ProVision ASIC architecture IP multicast snooping and data-driven IGMP Each switch has four dual-personality ports for 10/100/1000 or SFP connectivity. In addition, the 2920 switch series supports up to four optional 10 Gigabit Ethernet (SFP+ and/or 10GBASE-T) ports, as well as a two-port stacking module. These switches can be deployed at the enterprise edge, in remote branch offices, and in converged networks.