Product Name:Linksys 48-Port Managed Gigabit PoE+ SwitchManufacturer Part Number:LGS352MPCProduct Type:Ethernet SwitchManageable:YesEthernet Technology:Gigabit Ethernet10 Gigabit EthernetNumber of Total Expansion Slots:4Media Type Supported:Optical FiberTwisted PairTotal Number of Network Ports:48PoE (RJ-45) Port:YesTAA Compliant:YesExpansion Slot Type:SFP+Power Source:Power SupplyLayer Supported:3Number of SFP+ Slots:4Modular:YesPort / Expansion Slot Details:48 x Gigabit Ethernet PoE+4 x 10 Gigabit Ethernet Expansion SlotPoE Budget:740 WCountry of Origin:TaiwanHeight:1.7Width:16.1Length:17.3Network Technology:10/100/1000Base-T10GBase-XLimited Warranty:5 YearFrequency:50 Hz60 HzStock Details:Manufacturer:LinksysManuf Part#:LGS352MPC