Brand: Supermicro · SKU: PWS-1K21P-1R · MPN: PWS-1K21P-1R · Category: Components
The Supermicro PWS-1K21P-1R is an 80 Plus Gold certified, 1U redundant power supply unit capable of supplying up to 1200W of output power at 92% efficiency. It features active Power Factor Correction (PFC) and automatically corrects AC input for a full range of voltages (AC 100-240V). It connects via a card edge connector to the backplane of compatible Supermicro 1U systems. The unit includes protective circuitry against over-voltage, over-current, and short-circuiting, and has an MTBF greater than 150,000 hours. It is designed for hot-swap replacement to eliminate system downtime. The materials comply with RoHS requirements.
| PFC | Active Power Factor Correction (PFC) |
|---|---|
| MTBF | Greater than 150,000 hours |
| Redundancy | Yes (Redundant Power Supply) |
| Form Factor | 1U |
| Connector Type | Card Edge Connector |
| DC Output (+12V) | 1000W: 83A (100-140V); 1200W: 100A (180-240V) |
| Max Output Power | 1200W |
| DC Output (+5Vsb) | 4A |
| Input Voltage Range | AC 100-240 V |
| Efficiency Certification | 80 Plus Gold |
| Warranty | Varies by seller (e.g., 3 years from some retailers, 90 days refurbished from others) |
| Weight | N/A |
| Dimensions | 76 x 40.4 x 336 mm (W x H x L) |
This is a high-efficiency, 1U redundant power supply from Supermicro, rated for 1200W continuous output and achieving 80 Plus Gold efficiency levels. It features full-range AC input support and active PFC for robust power delivery, making it suitable for high-demand enterprise servers and data center applications where system uptime is critical due to its hot-swap capability.
Yes, this Supermicro 1200W 1U Redundant Switching Power Supply (PWS-1K21P-1R) is 100% genuine Supermicro hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
This Supermicro 1200W 1U Redundant Switching Power Supply includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the PWS-1K21P-1R.