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Item#: 9SIAAVC4BD0874

COOLMAX CX-400B 400W ATX v2.01 ATX 12V Power Supply

Ships from United States. Most customers receive within 4-10 days.

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  • ATX v2.01
  • 115 / 230 V 50/60 Hz
  • +3.3V@20A, +5V@18A, +12V1@18A, +12V2@16A, -12V@0.5A, +5VSB@2.5A
  • ATX 12V
  • 110 V AC 220 V AC

  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

The Coolmax CX-400B Power Supply is compliant with the ATX12V version 2.0 standard, and offers dual 12V outputs for stable power delivery to all your components. The cable-tube on the main power cables offers better cable routing and neatness. Over Voltage Protection and Overload Protection keep your system intact from power mishaps.


  • newegg ATX12V Compliant Compliant with the ATX12V v2.01 standard, the Coolmax CX-400B Power Supply provides the maximum power stability to drive leading Intel and AMD processors, as well as other components.
  • newegg Silent 120mm fan The Coolmax CX-400B features a built-in 120mm silent fan for whisper-quiet cooling.
  • newegg Tied cables for a tidy look! The cable-tube on main power cables provides better cable management and a neat look.

Learn more about the CoolMax CX-400B

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years
  • Read full details
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