Total Number of Network Ports 44, Port / Expansion Slot Details (48 x Gigabit Ethernet Network, 3 x Expansion Slot dan 4 x Gigabit Ethernet Expansion Slot); I/O Expansions : Number of Total Expansion Slots 7, Expansion Slot Type (SFP dan Stacking Module), Shared SFP Slot, Number of SFP Slots 4; Media & Performance : Media Type Supported Twisted Pair, Ethernet Technology Gigabit Ethernet, Network Technology 10/100/1000Base-T; Network & Communication : Layer Supported 4; Power Description : Power Source Power Supply; Management & Protocols : Manageable; Physical Characteristics : Compatible Rack Unit 1U, Form Factor Rack-mountable, Height 1.8", Width 17.4", Depth 13.2"; Warranty : Limited Warranty Lifetime; Other Information : Product Family 2920, PoE (RJ-45) Port, USB, Management Port, Number of PoE+ (RJ-45) Ports 44, Memory Technology SDRAM, Flash Memory 1 GB, Input Voltage (110 V AC dan 220 V AC), Standard Memory 512 MB