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H058N Dell 250-Watt Power Supply for Dell OptiPlex 390 790 990

SKU:

H058N

Weight: 3.00 lbs
Condition: Refurbished
  • 250-watt power supply unit designed for Dell OptiPlex 390, 790, and 990 models
  • Reliable power delivery to support essential desktop components
  • Standard form factor ensuring easy installation and compatibility
  • Efficient performance to maintain system stability during operation
In stock

$66.00
Product Overview

The Dell 250-Watts Power Supply for OptiPlex 390, 790, and 990 delivers consistent, reliable power to these desktop models. It fits neatly inside the standard chassis and provides the necessary connections tailored for these systems. This power supply is an everyday component that helps keep Dell desktops running smoothly in office and home environments.

General Information
Brand Dell
Part Number H058N
Condition Refurbished
Technical Information
Input Voltage 100-240V AC
Input Frequency 50-60 Hz
Output 12V,5V,3.3V,5VSB
Max. Output Power 250W
Hot Swappable No
Redundant Support No
Cooling Type Active Fan
Modularity Non-Modular
rail_design Single 12V Rail
Number of Fans 1
Compatibility
Form Factor Proprietary
Compatible For Dell OptiPlex 390, Dell OptiPlex 790, Dell OptiPlex 990
Physical Characteristics
Weight 3.00


Product Description

This 250-watt power supply is built specifically for use in Dell OptiPlex 390, 790, and 990 desktops. It provides stable and consistent power, ensuring your system components receive the voltage they need to function properly. Commonly found in office and home computer setups, this power supply supports daily computing tasks without unnecessary complexity.

Key Features

  • Compatible with multiple Dell OptiPlex desktop models
  • Compact design that fits standard chassis sizes
  • Delivers reliable power output for routine use
  • Includes necessary connections tailored for Dell systems
  • Supports energy-efficient operation to reduce power waste

In practice, this power supply is typically installed in business or personal desktops that require a dependable power source. It plays a key role in maintaining performance and prolonging the lifespan of the system by providing steady energy without interruptions.


Use Cases

The Dell 250-Watts Power Supply is primarily utilized in office and home environments where Dell OptiPlex 390, 790, or 990 desktops are deployed. It is suited for IT administrators and small to medium business (SMB) networks that require dependable power components to maintain workstation uptime and performance under typical business workloads.

How It's Used:

  • Powering Dell OptiPlex desktops in corporate offices running productivity and collaboration software.
  • Supporting remote or branch office systems that demand stable power for routine computing tasks.
  • Replacing aging power supplies in SMB IT infrastructure to reduce downtime from power-related failures.
  • Maintaining essential desktop operations in educational labs where consistent power delivery is critical.
  • Facilitating hardware refresh projects by providing compatible power units for legacy Dell OptiPlex models.

This power supply contributes to operational efficiency by ensuring stable power delivery tailored to specific Dell desktop models. Its compatibility and reliable performance help IT teams maintain consistent system availability and manage incremental hardware updates without significant infrastructure overhaul.


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H058N Dell 250-Watt Power Supply for Dell OptiPlex 390 790 990
H058N Dell 250-Watt Power Supply for Dell OptiPlex 390 790 990
$66.00