Power supply - hot-plug / redundant - plug-in module, Input Voltage AC 100-240 V, Output Voltage 12 V, Power Capacity 400 Watt, Designed For HPE Aruba 3800-24G-2XG, 3800-24G-PoE+-2XG, 3800-48G-4XG, 3800-48G-PoE+-4XG. The HPE switch power supply provides a redundant, modular enclosure to provide hot-swappable AC power. These extra supplies can also be used to provide load balance power for instantaneous failover for data center environments where uptime for serve edge connectivity is paramount.