HP 1820-48G Switch (J9981A#ABB-RFB) is a refurbished managed network switch for connecting wired devices in a business network.
It provides 48 Gigabit Ethernet RJ45 ports, giving multiple computers and other network equipment wired access through one switch. Managed switching includes VLAN support and QoS, which can help organize network segments and prioritize traffic.
Its 1U rack-mount design supports installation in a compatible equipment rack.