Brand: Supermicro · SKU: PWS-1K28P-SQ · MPN: PWS-1K28P-SQ · Category: Components
The Supermicro PWS-1K28P-SQ is a 1280-watt redundant power supply designed for enterprise-grade Supermicro server platforms. It features 80 Plus Platinum efficiency for high energy performance (95% peak efficiency) and a Super Quiet (SQ) design ideal for noise-sensitive environments. It supports hot-swappable, N+1 redundancy for fault tolerance and continuous uptime. It delivers robust power with a maximum output current of 106.7A on the +12V rail and 4A on the +5Vsb rail. The unit has a 1U form factor and connects via a Gold Finger (23 pair connector). It supports PMBus 1.2 for remote management and features OCP, OVP, Short Circuit, and Over-Temperature protection.
| Management | PMBus 1.2 Compatible |
|---|---|
| Protection | OCP, OVP, Short Circuit, Over Temperature, Input Under Voltage |
| Redundancy | Redundant, Hot-swappable, N+1 |
| Form Factor | 1U |
| Rail Design | Single 12V Rail |
| Cooling Type | Active Fan (Super Quiet - SQ) |
| Input Voltage | 100-240V AC |
| Input Frequency | 50-60 Hz |
| Output Connector | Gold Finger (23 pairs connector) |
| Efficiency Rating | 80 Plus Platinum (Typical 95%+) |
| Total Power Output | 1280W (1000W @ 100-140Vac, 1280W @ 200-240Vac) |
| Max Output Current (+12V) | 106.7A (1280W) / 83A (1000W) |
| Max Output Current (+5Vsb) | 4A |
| Warranty | 3-Year Warranty |
| Weight | 5.00 lbs |
| Dimensions | 76 x 360 x 40 mm (or 2.99" x 1.57" x 14.17" based on one source) |
The Supermicro PWS-1K28P-SQ is a high-efficiency (80 Plus Platinum) 1280W redundant power supply unit, specifically designed for 1U Supermicro server chassis. Its key features are fault tolerance through hot-swappable redundancy and a 'Super Quiet' (SQ) acoustic profile suitable for enterprise data centers prioritizing both uptime and lower noise levels.
Yes, this Supermicro 1280W 1U Redundant Power Supply (SQ) (PWS-1K28P-SQ) 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 1280W 1U Redundant Power Supply (SQ) 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-1K28P-SQ.