Name: PWS-281-1H SuperMicro 280W Multi-Output 1U Power Supply
Brand: Supermicro
SKU: PWS-281-1H
Price: 190.49 USD
Availability: InStock
Rating: 4.8 (130 reviews)

Product Overview
The PWS-281-1H power supply provides steady, multi-output power for 1U server systems, fitting neatly into compact racks. It supports a range of voltages to meet different hardware requirements, making it a practical choice for SuperMicro servers or similar equipment that demands reliable, space-efficient power solutions.

General Information
Brand	Supermicro
Part Number	PWS-281-1H
Product Type	Server Power Supply
Condition	Refurbished

Technical Information
Input Voltage	100-240V AC
Input Frequency	50-60 Hz
Output	12V,5V,3.3V,-12V,5VSB
Max. Output Power	280W
Cooling Type	Active Fan
Modularity	Non-Modular
rail_design	Multi 12V Rail
Number of Fans	1

Compatibility
Form Factor	Proprietary

Physical Characteristics
Weight	3.00

Product Description
The PWS-281-1H is a power supply unit built for compact server environments where space and efficient power delivery matter. It’s often found in 1U rackmount servers, providing stable multi-output power tailored to SuperMicro hardware but adaptable to similar setups. System builders and IT professionals typically use this power supply when they need dependable power within a constrained space, making it a fitting choice in data centers or enterprise IT closets. Key Features Delivers 280 watts across multiple voltage rails for varied component needs Designed to fit 1U chassis, maximizing server density Includes protections against over-current and short circuits to safeguard hardware Uses a standard connector set compatible with SuperMicro systems Operates efficiently to reduce heat output and power waste This power supply is typically deployed in small to medium-sized data centers or enterprise server rooms where space is tight but reliable power remains critical. It plays a key role in maintaining uptime and system stability under continuous workloads.

Use Cases
The PWS-281-1H power supply is designed for deployment in compact, high-density server environments where space constraints and reliable power delivery are critical. IT administrators managing 1U rack servers in data centers or enterprise facilities will find this unit effective for maintaining consistent multi-voltage outputs suited to diverse hardware configurations. How It's Used: Providing stable power to high-density 1U servers in enterprise virtualization clusters. Supporting edge computing nodes in remote offices requiring compact and efficient power solutions. Powering storage arrays in SMB data centers where multi-output voltage requirements vary. Enabling rack-mounted SuperMicro servers in colocation facilities with strict space and power management needs. Supplying reliable power to compute nodes in HPC environments focused on performance and uptime. This power supply supports operational efficiency by delivering targeted power outputs within constrained racks, facilitating scalability for growing server deployments. Its compatibility with diverse hardware setups helps maintain stable performance across critical IT workloads.

PWS-281-1H SuperMicro 280W Multi-Output 1U Power Supply

Product Overview

General Information

Technical Information

Compatibility

Physical Characteristics

Product Description

Use Cases