CISCO WS-C2960X-48LPD-L, Catalyst 2960X-48LPD-L Ethernet Switch, Network Ports-48, PoE (RJ-45) Ports-12, Network (RJ-45) Ports-24, Port/Expansion Slot 48 x Gigabit Ethernet Network, 2 x 10 Gigabit Ethernet Expansion Slot, Twisted Pair, Network 10/100/1000Base-T, Expansion Slots-2, Standard Memory 512 MB, DRAM, Flash Memory 128 MB, MTBF 277960 Hour, Input Voltage 110 V AC, 220 V AC. All Catalyst 2960-X Series Switches use a single Universal Cisco IOS Software Image for all SKUs. Depending on the switch model, the Cisco IOS image automatically configures either the LAN Lite, LAN Base.