Technical InformationPower Description- Input Voltage: 220 V AC
- Input Voltage: 110 V AC
- Input Voltage Range: 100 V AC to 240 V AC
- Output Voltage: 5 V DC @ 4 A
- Output Voltage: -12 V DC @ 600 mA
- Output Voltage: 5 V DC @ 30 A
- Output Voltage: 3.3 V DC @ 24 A
- Input Current: 5 A @ 220V
- Input Current: 8 A @ 110V
- Output Power: 1200 W
Physical Characteristics- Form Factor: Rack-mountable
- Hot Swappable Power Supply: Yes
Miscellaneous- Environmentally Friendly: Yes
- Environmental Certification: 80 Plus
Learn more about the Supermicro PWS-1K21P-1R
Model| Brand | SuperMicro |
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| Model | PWS-1K21P-1R |
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Details| Type | Consumer Electronics |
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| Maximum Power | 1200W |
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| Main Connector | 24Pin |
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| Output Current | +12V@83/100A, +5VSB@4A |
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Manufacturer Warranty| Parts | 1 year limited |
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| Labor | 3 years limited |
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Additional Information| First Listed on Newegg | February 22, 2026 |
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Customer Reviews of the Supermicro PWS-1K21P-1R