HP ProCurve 48 Port Network Switch Managed L2 1U Black J9280A 2510-48G Connectivity 10/100 and 10/100/1000 connectivity: provides customers with the choice of selecting the network connectivity speed that best meets their needs, with a consistent user experience Gigabit uplinks: E2510-24 and E2510-48 switches: the E2510-24 switch has two dual-personality ports for either 10/100/1000 or mini-GBIC connectivity; the E2510-48 switch has four Gigabit Ethernet ports, which can all be used concurrently with two 10/100/1000 ports and two open mini-GBIC slots. E2510G-24 and E2510G-48 switches: four dual-personality ports for 10/100/1000 or SFP ports for optional fiber connectivity such as Gigabit-SX, -LX, and -LH, or 100-FX.
eBay