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D3D1C Dell 265-Watt Power Supply for Dell OptiPlex 790 990 MT

SKU:

D3D1C

Weight: 3.00 lbs
Condition: Refurbished
  • 265-watt power supply unit built for Dell OptiPlex 790 and 990 MT desktops
  • Provides stable and efficient power delivery to essential system components
  • Compatible with multi-technology motherboards for seamless integration
  • Designed to support mid-tower configurations with reliable performance
In stock

$71.00
Product Overview

The Dell 265-Watts Power Supply for OptiPlex 790 and 990 MT desktops delivers steady energy required for reliable system operation. It fits into mid-tower setups and ensures your computer components are powered consistently. This power supply is a practical replacement part that helps keep Dell business desktops running smoothly without interruptions.

General Information
Brand Dell
Part Number D3D1C
Condition Refurbished
Technical Information
Input Voltage 100-240V AC
Input Frequency 50-60 Hz
Output 12V,5V,3.3V,5VSB,-12V
Max. Output Power 255W
Efficiency Rating 80 Plus
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 SKU D3D1C - Dell 265-Watt (marketed) / 255W (common OEM spec) Power Supply — compatible with Dell OptiPlex 790 MT, Dell OptiPlex 990 MT
Connectors
Connector Types 24-pin ATX, 4-pin CPU, SATA, Molex
Physical Characteristics
Weight 3.00
Certifications and Environmental
Compliance Standards WEEE, RoHS, CE, FCC, cULus


Product Description

This 265-watt power supply is designed to provide consistent energy to Dell OptiPlex 790 and 990 MT desktop computers. It ensures that your system components receive stable power, helping maintain overall computer reliability during everyday tasks.

Often found in office or home environments, this power supply unit is built to fit mid-tower chassis and support the demands of typical business workflows. It's commonly used by IT professionals and end users who need dependable hardware replacements or upgrades.

Key Features

  • Provides steady 265W output specifically tailored for OptiPlex 790 and 990 MT models
  • Supports key internal components with reliable power under various loads
  • Compatible with standard form factors to simplify installation
  • Includes built-in protections to prevent power surges
  • Optimized for efficient energy consumption and quiet operation

You’ll typically find this power supply deployed in office desktops where consistent uptime is essential. It plays a critical role in maintaining system stability and prolonging hardware lifespan by delivering clean power. This unit is a practical choice for routine maintenance or when upgrading a Dell OptiPlex workstation.


Use Cases

The Dell 265-Watts Power Supply is designed specifically for mid-tower OptiPlex 790 and 990 desktops, which are commonly deployed in small to medium business IT environments. This power supply unit supports stable operation in office workstations handling typical business applications, data processing tasks, and moderate multitasking workloads.

How It's Used:

  • Powering office desktop setups in SMB environments running standard productivity and communication software.
  • Supporting administrative workstations in educational institutions where reliability is critical for daily operations.
  • Providing consistent power for financial or accounting departments utilizing OptiPlex 790/990 MT machines for data entry and analysis.
  • Maintaining stable energy supply in remote or branch offices where hardware longevity reduces maintenance visits.
  • Enabling IT departments to efficiently replace or upgrade power supplies in legacy Dell OptiPlex models to extend equipment lifecycle.

By ensuring consistent power delivery, this unit aids in reducing unexpected downtime and supports extended compute performance in business-critical environments. It facilitates operational continuity and helps IT teams maintain scalable desktop infrastructures without frequent hardware disruptions.


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D3D1C Dell 265-Watt Power Supply for Dell OptiPlex 790 990 MT
D3D1C Dell 265-Watt Power Supply for Dell OptiPlex 790 990 MT
$71.00