Photo pending verificationSupermicro PWS-3K22A-1R · Server PSU
P/N: PWS-3K22A-1R
Power supply to match against an exact server platform. Output Type: Gold Finger · Energy Efficiency: 96%+ Efficiency · Type: Redundant
Supermicro / Supermicro server power supplies
Supermicro PWS-1K31D-1R · Server PSU
P/N: PWS-1K31D-1R
Power supply to match against an exact server platform. Total Power Output: 1300W · Energy Efficiency: Typical 92%+ · Input Voltage Range: -44Vdc to -65Vdc
Enquire ↗+998 77 161 11 11 ↗ +998 97 741 55 00 ↗01 / Specifications
- MPN / P/N
- PWS-1K31D-1R
- Manufacturer designation
- 1U 1300W -48V DC Power Supply
- Total Power Output
- 1300W
- Type
- Redundant
- Type of Power Supply
- -48Vdc Power Supply
- Form Factor
- 1U
- Dimension (W x H x L)
- 73.5 x 40 x 265 mm
- +5V
- N/A
- +12V
- 108.3A
- +3.3V
- N/A
- +12V Standby
- 2.1A
- Input Voltage Range
- -44Vdc to -65Vdc
- Input Current Range
- 40-27A
- Output Type
- Gold Finger (25 Pair Connector)
- Energy Efficiency
- Typical 92%+
- 80 Plus Certification
- N/A
- Selection limits
- Exact manufacturer replacement module. Validate original system BOM, dimensions, connector, revision and ratings; no universal compatibility. Input-voltage derating and country-specific DC approvals are preserved in specifications.
Specification source: Supermicro ↗
Checked against documentation: 16.10.2026
Reference catalogue for quotation requests. Availability, production status, condition, price, lead time and warranty are individually confirmed. A listed part number is not a stock claim.
Related variants
Photo pending verificationPhoto pending verificationSupermicro PWS-3K21A-1R2 · Server PSU
P/N: PWS-3K21A-1R2
Power supply to match against an exact server platform. Output Type: Gold Finger · Energy Efficiency: 96%+ Efficiency · Input Voltage Range: 100-127Vac: 1000W / 200-207Vac: 2900W / 207-220Vac: 3000W /220-240Vac: 3200W / 240Vdc: 3200W (For CQC only)
Photo pending verificationSupermicro PWS-2K71A-1R · Server PSU
P/N: PWS-2K71A-1R
Power supply to match against an exact server platform. Output Type: Gold Finger · Energy Efficiency: 96%+ Efficiency · Input Voltage Range: 200-240Vac: 2700W / 240Vdc: 2700W (for CQC only)
Photo pending verificationSupermicro PWS-2K08A-1R2 · Server PSU
P/N: PWS-2K08A-1R2
Power supply to match against an exact server platform. Total Power Output: 2000W · Energy Efficiency: 96%+ Efficiency · Type: Redundant