The Aruba 5406R 44GT PoE+ and 4-Port SFP+ v3 zl2 Switch is a modular Layer 3 managed switch. It features 44 autosensing RJ-45 10/100/1000 PoE+ ports and 4 open 10GbE SFP+ transceiver slots. The switch includes 4 open module slots, supporting a maximum of 144 autosensing 10/100/1000 ports, 144 SFP ports, 48 SFP+ ports, 48 HPE Smart Rate Multi-Gigabit ports, or 12 40GbE ports, or a combination. This unit is rack-mountable in a 4U form factor and is sold without power supplies. The switch supports QoS, jumbo frames, and Layer 2 and Layer 3 features.