Supermicro PWS-1K28P-SQ 1280 watt redundant Power Supply

Description

The Supermicro PWS-1K28P-SQ is a high-performance, 1280-watt redundant power supply designed for mission-critical server environments. Part of Supermicro’s high-efficiency power supply line, this unit is engineered to provide stable, reliable power to high-density rackmount servers, particularly those requiring significant overhead for multiple processors and high-capacity storage.

Core Product Overview

This power supply is a hot-swappable module, allowing for seamless replacement or redundancy upgrades without interrupting system operations. It features a compact 1U form factor and is known for its Super Quiet (SQ) technology, making it an excellent choice for environments where acoustic noise reduction is a priority without sacrificing cooling performance.

Key Technical Specifications

• Wattage: 1280 Watts

• Efficiency: 80 PLUS Platinum certified (up to 94% efficiency)

• Input Voltage: 100-240V AC (Auto-ranging), 50-60Hz

• Form Factor: 1U Redundant (Gold Finger Connector)

• Output Rail: +12V (Primary) and +12Vsb (Standby)

• Dimensions: 76mm (W) x 40mm (H) x 336mm (L)

• Features: PMBus 1.2 support for real-time power monitoring and management.

Compatibility

The PWS-1K28P-SQ is widely used in Supermicro’s high-end chassis and server systems, including:

• Chassis Series: SC826, SC846, SC847, and SC216.

• Server Systems: Various FatTwin, SuperServer, and Storage-heavy configurations.

• Interchangeable Models: Often used as a high-wattage upgrade for systems originally equipped with 920W or 1000W units.