Free Shipping to the Continental US Over $200 (Excluding rail kits and systems)

Supermicro 400W Multi-Output PS2/ATX Power Supply (PWS-403-PQ)

  • Designed for Workstation and Desktop
  • 24 Pin ATX Output
  • 80 Plus Gold Efficiency
  • Supermicro Certified
Buy More, Save More
Out of stock
This item is out of stock but we may still be able to fulfill your order. Contact Us for more details!
Notify me when this product is in stock


The Supermicro PWS-403-PQ is an 80 Plus Goldlevel power supply capable of continuously supplying 400W output powery. Enjoy the simplicity of active power factor correction (PFC) and automatically correct AC input for a full range of voltages and a super quiet 12cm fan to keep it cool under heavy loads. This power supply is designed to not only provide you reliable power to your desktop or workstation but also protects it from over voltage, over current and short circuiting via protective circuitry embedded into the unit. Rest easy knowing your hardware will be up and running with a mean-time between failure (MTBF) of greater than 200,000 hours and an LED indicator to keep you informed on normal/abnormal conditions for your PSU. All materials contained comply with RoHS requirements and are certified by Supermicro.

Cables Included:
  • 1x 24 Pin ATX (Motherboard)
  • 1x 4 Pin 12V
  • 1x 6 Pin PCI-E
  • 2x 4 Pin Legacy HDD
  • 1x 4 Pin Floppy/DVD Drive
  • 6x SATA Power Connectors
More Information
Total Power Output 400W
Type Single
Type of Power Supply Power Supply
Form Factor Mid-Tower
Dimension (W x H x L) 150 x 86 x 140 mm
+5V 22A
+12V 18A
+3.3V 24A
5V Standby 3A
Input Voltage Range 100-240 Vac
Input Frequency Range 50-60Hz
Input Current Range 6A-3A
Output Type 24Pin ATX Cable Output
8Pin / 4Pin (12V) Connector 24Pin ATX Connector // 4Pin 12V Connector
PFC n/a
Voltage / Current n/a
Energy Efficiency n/a
80 Plus Certification 80 Plus Gold
Validated Systems SYS-5039C-I
Warranty 1 year warranty
Product Environmental Compliance RoHS and REACH compliant, details available upon request
PWS-403-PQ Spec Sheet PDF February 2017

This product can expose you to chemicals including lead, known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to