HPE Back to Front Airflow Fan Tray - network device fan tray

The HPE 5930-4Slot Back to Front Airflow Fan Tray provides forward airflow from the power module side to the port side. The HPE 5930-4Slot Front to Back Airflow Fan Tray provides reverse airflow from the port side to the power module side. The two fan trays feature small size, fast heat dissipation, and hot swapping. They can adjust the fan speed automatically