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Rosewill - 400-Watt ATX V2.2 Power Supply - RD400-2-DB

  • ATX V2.2
  • 115 ~ 230 VAC
  • Dual 80 mm Ball Bearing Fans
In today's power hungry world you need a PSU that can deliver, and the Rosewill RD400-2-DB does. With 400W of total output power there's plenty of juice for the most demanding situations. Dual 12V rails with 27 amps of power provide plenty of independent, reliable power.
As in all cases, being well connected is of major importance, and sprouting from the housing are a multitude of mesh wrapped cables to connect all your components. The mesh wrapping keeps things neat and helps promote better airflow and cooling. Universal motherboard connectivity is ensured with the 20+4 main connector and 4/8 pin EPS connector.
All these are enclosed in a flat black housing with multitudinous ventilation holes and dual 80mm cooling fans. The smart temperature sensor intelligently adjusts the fan speed according to the system temperature for minimized operation noise.
  • neweggATX12V v2.2 CompatibleCompatible with the ATX12V v2.2 standard, the osewill RD400-2-DB power supply provides maximum power stability to drive the processors as well as other system components.
  • newegg400W Maximum PowerA maximum power of 400W delivers safe, reliable output for average gaming computer systems. Two industry-leading independent +12v rails are provided for more stable and safer power output.
  • neweggQuiet OperationDual 80mm fans with Smart Temperature Sensor delivers whisper-quiet cooling through fan speed adjustments in response to load conditions.
  • neweggExcellent Mesh Cable SleevingThe Rosewill RD400-2-DB power supply’s cables are wrapped in mesh sleeving so your chassis stays neat for optimized air flow and enhanced cooling.

Warranty & Returns

Warranty, Returns, And Additional Information


  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year
  • Read full details

Return Policies

  • Return for refund within: 30 days
  • Return for replacement within: 30 days
  • This item is covered by Newegg.com's Standard Return Policy