Manufacturer Cisco Systems, IncManufacturer Part Number ISR4351/K9Brand Name CiscoProduct Line Cisco ISRProduct Series Cisco ISR 4000Product Model ISR4351Ethernet Technology: Gigabit EthernetProduct Name 4351 RouterProduct Type RouterInterfaces/PortsTotal Number of Ports 3USB YesPowerline NoManagement Port YesToken Ring Port NoNumber of Network (RJ-45) Ports 3I/O ExpansionsNumber of Total Expansion Slots 10Expansion Slot Type SFPExpansion Slot Type Network Interface Module (NIM)Expansion Slot Type Service ModuleExpansion Slot Type Integrated Services Card (ISC)Network & CommunicationNetwork Technology 10/100/1000Base-TEthernet Technology Gigabit EthernetVoIP Supported YesMemoryStandard Memory 4 GBMaximum Memory 16 GBMemory Technology DRAMFlash Memory 4 GBPower DescriptionPoE (RJ-45) Port NoInput Voltage 230 V ACInput Voltage 120 V ACPower Source PoEPower Source Power Supply