Manufacturer Part Number JH398A Product Type Layer 3 Switch Manageable Yes Ethernet Technology 40 Gigabit Ethernet Number of Total Expansion Slots 4 Product Family FlexFabric 5940 Stack Port No Media Type Supported Optical Fiber Redundant Power Supply Supported Yes Form Factor Rack-mountable Power Source Power Supply Layer Supported 3 Compatible Rack Unit 1U Modular Yes Shared SFP Slot No Port / Expansion Slot Details 4 x 40 Gigabit Ethernet Expansion Slot CHASSIS ONLY, OPTIONS SOLD SEPARATELY PER HPE SPEC.