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Supermicro 300W Multi-Output PS2/ATX Power Supply (PWS-305-PQ)

  • Designed for Workstation and Desktop
  • 24 Pin ATX Output
  • 80 Plus Bronze Efficiency
  • Supermicro Certified
In stock


The Supermicro PWS-305-PQ is an 80 Plus Bronze level power supply capable of continuously supplying 300W output power at 82% efficiency. Enjoy the simplicity of active power factor correction (PFC) and automatically correct AC input for a full range of voltages and a quiet 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 150,000 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 (CPU)
  • 2x 4 Pin Legacy HDD
  • 1x 4 Pin Floppy/DVD Drive
  • 4x SATA Power Connectors
More Information
Total Power Output300W
Type of Power SupplyPower Supply
Form FactorMid-Tower
Dimension (W x H x L)140 x 86 x 150mm
+5V 13A
+12V12V1: 12A, 12V2: 16A
5V Standby2A
Input Voltage Range100-240Vac
Input Frequency Range50-60Hz
Input Current Range6A
Output Type24Pin ATX Cable Output
8Pin / 4Pin (12V) Connector4pin
Voltage / CurrentNo
Energy Efficiency85% Peak
80 Plus Certification80 Plus Bronze
Validated SystemsSYS-5037C-i, SYS-5038D-I, SYS-5039D-i
Validated ChassisCSE-731D-300B, CSE-731i-300B
Warranty1 year warranty
Product Environmental ComplianceRoHS and REACH compliant, details available upon request
PWS-305-PQ Spec Sheet PDF January 2018
PWS-305-PQ 80 PLUS Test Report PDF September 2012

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