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

Product ID: ATX2PW400PRO

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

Features
  • 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

More Features . . .
  • Premium EMI/RFI power filtration provides low noise and ripple for stable power delivery

  • Generous number of accessory connectors

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Available in
$78.99 USD

ID: ATX2PW400PRO

In stock: ?
USA: 685  |  Canada: 23
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We will transfer stock to fulfill your order at no extra cost. If the quantity shown for our US warehouse isn’t enough to fulfill your order, we will transfer the required stock from our Canadian warehouse.


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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 StarTech.com's 3 year warranty and free lifetime technical support.

The StarTech.com 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
Common Customer Questions

View FAQs...

Applications
  • 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
Product Numbers
Warranty Information
Warranty 3 Years
Hardware
Fan Bearing Type Ball Bearing
Fans 1 - 80 mm
Performance
Efficiency Rating 68% (Typical Load)
MTBF 100,000 Hrs
Output Power 400W
Power Factor Correction No
Connector(s)
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 Large Drive Power) Female
4 - SATA Power (15 pin) Receptacle
Power
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 5.9 in [150 mm]
Product Weight 4.2 lb [1.9 kg]
Product Width 5.5 in [140 mm]
Packaging Information
Shipping (Package) Weight 5.1 lb [2.3 kg]
What's in the Box
Included in Package 1 - 400W ATX Power Supply
1 - Power Cord (NA)
1 - Instruction Manual

Computer Power Cables - External (1)

6 ft Standard Computer Power Cord - NEMA5-15P to C13
PXT101

6 ft Standard Computer Power Cord - NEMA5-15P to C13

Replace worn-out or missing computer power cords

$7.99

In stock:   USA: 8996  |  Canada: 462

We will transfer stock to fulfill your order at no extra cost. If the quantity shown for our US warehouse isn’t enough to fulfill your order, we will transfer the required stock from our Canadian warehouse.

Computer Power Cables - Internal (4)

Motherboard to ATX Power Supply Adapter - (20-pin to 24-pin) M/F - 6in
ATX2024FM

6in 20 Pin Motherboard to 24 Pin ATX Power Adapter - M/F

Connect a newer 24-Pin Power Supply with an older 20-Pin Motherboard

$7.99

In stock:   USA: 1426  |  Canada: 74

We will transfer stock to fulfill your order at no extra cost. If the quantity shown for our US warehouse isn’t enough to fulfill your order, we will transfer the required stock from our Canadian warehouse.

LP4 to 6-Pin PCI Express Video Card Power Cable Adapter
LP4PCIEXADAP

6in LP4 to 6 Pin PCI Express Video Card Power Cable Adapter

Convert a Standard LP4 Power Supply Connector to a 6-pin PCI Express Video Card Power Connector

LP4 to 2x LP4 Power Y Splitter Cable M/F
PYO2L

LP4 to 2x LP4 Power Y Splitter Cable M/F

Connect two LP4 peripherial devices (CD/DVD-ROM drives etc.) to a single LP4 connector

$6.99

In stock:   USA: 6236  |  Canada: 72

We will transfer stock to fulfill your order at no extra cost. If the quantity shown for our US warehouse isn’t enough to fulfill your order, we will transfer the required stock from our Canadian warehouse.

LP4 to 2x SP4 Power Y Splitter Cable M/F
PYO2S

LP4 to 2x SP4 Power Y Splitter Cable M/F

Power up to 2 SP4 devices using a single Molex LP4 connector from the computer power supply

$6.99

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Startech.com - Professional 400 Watt ATX12V 2.01 Computer Power Supply w/ PCIe & SATA

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