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484 Ratings (63% Positive)
  • $129.99

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GIGABYTE PW400 400W 80 PLUS Certified Power Supply

In stock.
Ships from United States.
Most customers receive within 4-8 days.
  • ATX 12V v2.31
  • 80 PLUS Certified
  • 100 - 240 V 50 - 60 Hz
  • +5V@15A, +3.3V@21A, +12V@30A, -12V@0.3A, +5Vsb@2.5A

GIGABYTE PW400 Power Supply

Build your dream PC with this 400W power supply. It’s certified for 80 Plus standard, delivering a maximum efficiency of 84% for reduced power waste and less noise. The single +12V rail provides stable, robust power output for high-end graphics card and CPU. The PW400 also features a 120mm silent fan that operates quietly and has long lifespan and excellent stability.


80 Plus Certified

80 Plus certified ensures better power efficiency and less power waste, which helps reduce the heat and fan noise. PW400 can have up to 84% efficiency. (80 Plus qualification is 80%)

Reliable Mesh Braided Cable

PW400 provides the best solution for the system builds. The mesh braided cable reduces clutter and improves airflow in the case.

Single +12V Rail

Single +12V rail provides the best power output, stability and compatibility for the hardware. And it is the best design for installation.

120mm Silent Fan

120mm silent fan optimizes noise reduction and thermal performance. The fan speed is adjusted according to the automatic power detection. The Hydraulic Bearing fan provides longer lifespan.


Warranty & Returns

Warranty, Returns, And Additional Information


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

Return Policies

Manufacturer Contact Info