HP JE009A V1910-48G Smart Managed Gigabit Switch 48-Port LAN + 4x SFP +RACK EARS
The series has eight models: 8-, 16-, 24-, and 48-port 10/100/1000 non-PoE models; and two 8-port and two 24-port 10/100/1000 PoE models. HP 1910 models support rack mounting or desktop operation and use variable-speed fans for quiet operation.