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Supermicro 650W 1U -48V DC Input Power Supply (PWS-654-1R)

  • -48V DC Input Support
  • Designed for Supermicro 1U Server
  • Compatible DC -48V Option for PWS-704P-1R, PWS-504P-1R, and PWS-706P-1R Platforms
  • Supermicro Certified
In stock


The Supermicro PWS-654-1R is a DC input power supply capable of supplying 650W output power at 90% efficiency. The PWS-654-1R is compatible with PWS-706P-1R, PWS-504P-1R, and PWS-704P-1R. Enjoy the simplicity of active power factor correction (PFC) and automatically correct DC input for a full range of voltages. Features a card edge connector for connection with the backplane of compatible Supermicro 1U systems. This power supply is designed to not only provide you reliable power to your Supermicro server 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. This power supply is redundant to safe-guard your system from power failure and allows for hot-swap replacement to eliminate system downtime. All materials contained comply with RoHS requirements and is certified by Supermicro.
More Information
Total Power Output650W
Type of Power Supply-48Vdc Power Supply
Form Factor1U
Dimension (W x H x L)54.5 x 40 x 320 mm
+5V N/A
5V Standby3A
Input Voltage Range-44Vdc to -72Vdc
Input Frequency RangeN/A
Input Current Range0-20A
Output TypeGold Finger
8Pin / 4Pin (12V) ConnectorN/A
Voltage / CurrentNo
Energy Efficiency90% Peak
80 Plus CertificationN/A
Validated ChassisCSE-815TQ-R654CB
Warranty1 year warranty
Product Environmental ComplianceRoHS and REACH compliant, details available upon request
PWS-654-1R Spec Sheet PDF July 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