HPE Aruba Networking CX 5420 20p 10M/100M/1G Class4 PoE 4p SFP+ 1G/10G LRM Module - Switch - L3 - managed - 20 x 10/100/1000 (PoE Class 4) + 4 x 1 Gigabit / 10 Gigabit SFP+ - front to back airflow - plug-in module - PoE Class 4