Professional 400 Watt ATX12V 2.01 Computer Power Supply w/ PCIe & SATA

Add a high performance 400W power supply to a standard ATX computer

Product ID: ATX2PW400PRO

  • ATX12V 2.01 compliant and 24/20 pin split mb connector for compatibility with existing standards
  • Two separate 12V power rails to deliver stable power to demanding devices
  • Quad+1 protection against: short circuit, over power, over voltage, no load
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  • Premium EMI/RFI power filtration provides low noise and ripple for stable power delivery
  • Generous number of accessory connectors
$72.99 USD
365+ In stock
In stock
US: 346 | CA: 19
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This 400 Watt ATX12V 2.01 power supply offers a professional-grade PC power solution, with support for modern AMD and Intel-based dual-core CPU designs as well as PCI Express and SATA device connections.

Compliant with ATX12V 2.01 revision standards, the power supply offers dual 12V power rails and ensures broad compatibility with a 20/24 pin motherboard connection.

Designed to provide dependable, long-lasting power to your hard working AMD or Intel CPU based system, the 400 Watt power supply features an 80mm dual ball bearing fan to help keep the PSU cool. To ensure stable power delivery to the most demanding devices, the power supply features Quad+1 protection against short-circuit, over-power, over-voltage and no-load situations.

This high quality, professional-grade ATX12V 400W power supply is backed by's 3 year warranty and free lifetime technical support.

The Advantage

  • Compatible with many single/multi-core Intel or AMD ATX12V 2.01 compatible systems and full sized ATX cases.
  • High performance components and connectors are designed for extra long life and provide maximum system performance
  • Improves system reliability by providing stable power to all components
  • Automatic temperature-controlled fan keeps the power supply quiet during low power demand


Ideal for adding PCI Express and SATA power support to existing computers

The perfect choice for new system builds and upgrades, including dual core CPU (Pentium D, Core 2 Duo, Athlon 64 X2) system designs

Technical Specifications

Warranty Information
Warranty 3 Years
Fan Bearing Type Ball Bearing
Fans 1 - 80 mm
Efficiency Rating 68% (Typical Load)
MTBF 100,000 Hrs
Output Power 400W
Power Factor Correction No
Output Connectors 1 - ATX 12V P4 Power (4 pin, v 2.x) Male
1 - ATX Split Power (20+4 pin, v 2.x) Male
1 - PCI Express Power (6 pin, v 1.x) Female
2 - SP4 (4 pin, Small Drive Power) Female
4 - LP4 (4 pin; Molex-type Large Drive Power) Female
4 - SATA Power (15 pin) Receptacle
Current +12.0V1 (A) 14A
Current +12.0V2 (A) 15A
Current +3.3V (A) 30A
Current +5.0V (A) 28A
Current +5.0Vsb (A) 2.5A
Current -12.0V (A) 1A
Input Current 10A ~ 5.5A
Input Voltage 115V-230V AC
Physical Characteristics
Enclosure Type Steel
Product Height 3.4 in [86 mm]
Product Length 5.5 in [140 mm]
Product Weight 3.7 lb [1.7 kg]
Product Width 5.9 in [150 mm]
Packaging Information
Shipping (Package) Weight 4.5 lb [2 kg]
What's in the Box
Included in Package 1 - 400W ATX Power Supply
1 - Power Cord (NA)
1 - Instruction Manual



Professional 400 Watt ATX12V 2.01 Computer Power Supply w/ PCIe & SATA

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