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Supermicro PWS-1K28P-SQ 1280W 1U Hot-Swap Power Supply with Redundant Power and High Efficiency

Supermicro PWS-1K28P-SQ 1280W 1U Hot-Swap Power Supply with Redundant Power and High Efficiency
Supermicro PWS-1K28P-SQ 1280W 1U Hot-Swap Power Supply with Redundant Power and High Efficiency
Supermicro PWS-1K28P-SQ is a high-performance 1280W 1U hot-swap power supply designed for mission critical servers and storage platforms. It delivers redundant power capability and industry leading efficiency, helping data centers reduce operating co... Read More
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$61.95

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  • In Stock: 230
  • Manufacturer: Supermicro
  • Model or Part: PWS-1K28P-SQ
  • Condition: Refurbished
  • Weight: 3.00lb
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Item Condition

New - Sealed or Open Box Condition
Excellent - Almost-New, Missing Original Packaging
Refurbished - Seller Refurbished, Good Condition, Previously Used Item

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Overview
Supermicro PWS-1K28P-SQ is a high-performance 1280W 1U hot-swap power supply designed for mission critical servers and storage platforms. It delivers redundant power capability and industry leading efficiency, helping data centers reduce operating costs while maintaining uninterrupted service. The compact 1U form factor fits easily into dense rack environments, and the hot-swap design allows for maintenance without shutting down the system.

Key Features

  • 1280W continuous power rating per module
  • Redundant power architecture - two units can be installed for fail-over protection
  • High efficiency up to 94% at typical loads
  • 1U hot-swap design for easy replacement and minimal downtime
  • Wide input voltage range 100-240V AC, 50/60Hz
  • Active PFC for improved power quality
  • Integrated fan with variable speed control for quiet operation
  • Compliance with ENERGY STAR and 80 PLUS Platinum standards
  • Standard 4-pin Molex connector for motherboard power

Technical Specifications

  • Model/Part Number: PWS-1K28P-SQ
  • Manufacturer: Supermicro
  • Power Output: 1280W per supply
  • Form Factor: 1U (19 inch rack)
  • Efficiency: 94% (typical) / 80 PLUS Platinum
  • Input Voltage: 100-240V AC, 50/60Hz
  • Current Rating: 12A (max) at 110V, 5.5A (max) at 220V
  • Power Factor: 0.99 (typical)
  • Operating Temperature: 0 to 45 degrees C
  • Storage Temperature: -40 to 85 degrees C
  • Dimensions: 1.75in (H) x 17.4in (W) x 5.5in (D)
  • Weight: approx 9.5lb
  • Connector Types: 24-pin ATX, 8-pin EPS, 4-pin Molex, 6-pin PCIe

Typical Applications

  • High-density blade and rack servers
  • Enterprise storage arrays and SAN/NAS systems
  • GPU-intensive compute nodes and AI workstations
  • Virtualization hosts and cloud infrastructure
  • Mission critical networking equipment requiring redundant power

By choosing the Supermicro PWS-1K28P-SQ, organizations gain reliable power delivery, lower energy consumption, and the flexibility to perform maintenance without service interruption, making it an ideal choice for modern data center deployments.