Need it fast? Discover our Ready-to-Ship Systems!
Orders Over $200 SHIP FREE Within the Continental US (Excluding rail kits and systems)
24 Hour Live Chat Tech Support
Delivery Throughout the United States
Need it fast? Discover our Ready-to-Ship Systems!
Duties & Taxes Due to Shipping Provider Prior to Delivery

Supermicro 850/1010W 1U -48V DC Power Supply (PWS-1K11P-1R)

  • PMBus Support for Remote Management
  • Optimized for 1U Server
  • DC-48V Input Support
  • Supermicro Certified
In stock


The Supermicro PWS-1K11P-1R is capable of supplying 850W low-line and 1010W high-line output power at 90% efficiency. 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 100,000 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.

The PWS-1K11P-1R is compatible with the following power supplies:
  • PWS-1K03A-1R
  • PWS-1K23A-1R
  • PWS-1K28P-SQ
  • PWS-920P-SQ
  • PWS-501P-1R
  • PWS-741P-1R
  • plus more...
More Information
Total Power Output850W / 1010W
Type of Power Supply-48Vdc Power Supply
Form Factor1U
Dimension (W x H x L)76 x 40 x 346mm
+5V N/A
5V Standby4A
Input Voltage Range850W Input: -36 to -42Vdc; 1010W Input: -43 to -76Vdc
Input Frequency RangeN/A
Input Current Range850W Input: 30-25A; 1010W Input: 30-17A
Output TypeGold Finger (19 Pair Connector)
8Pin / 4Pin (12V) ConnectorN/A
Voltage / CurrentYes
Energy Efficiency90% Typical
80 Plus CertificationN/A
Validated ChassisCSE-216E16-R1010LPB
Warranty1 year warranty
Product Environmental ComplianceRoHS and REACH compliant, details available upon request
PWS-1K11P-1R Spec Sheet September 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