Home > Data Protection > PowerProtect DD Series Appliances > Dell PowerProtect Data Domain DD9410 and DD9910 > Power supply
The Data Domain DD9410 and DD9910 use two power supplies for redundancy purposes. The DD9410 uses 1100 Watt Titanium Lot9 PSUs (Power Supply unit), whereas the DD9910 uses 2800 Watt Titanium Lot9 PSUs. Each system is configured with two PSUs for redundancy purpose. A single power supply can supply enough power to the system.