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Silver rectangular Dell 709MT 240W power supply unit

DELL

DELL 709MT 240W Server Power Supply

SKU CH-PZN2-K2Q43

240W replacement power supply for Dell OptiPlex 790 and 990 mini-tower desktops

  • TypePower Supply
  • Delivers 240W reliable power for OptiPlex Mini Tower systems
  • Designed specifically for Dell OptiPlex 790 and 990 desktops
  • Genuine Dell 709MT part ensures exact fit and function
  • New condition guarantees full rated performance from day one
  • Server-grade build quality supports continuous desktop operation

Dell 709MT 240W PSU

The Dell 709MT is a 240W power supply designed for Dell OptiPlex 790 and 990 Mini Tower desktops. It provides a direct replacement unit for those specific workstation chassis. Builders restoring or servicing these legacy systems will find the correct fit and connector layout.

Compatibility with OptiPlex 790 and 990

The decisive specification is confirmed compatibility with Dell OptiPlex 790 and 990 Mini Tower models only. This unit uses the proprietary pin-out and physical keying required by those motherboards. It will not fit standard ATX cases or other Dell form factors such as Small Form Factor or Ultra Small Form Factor variants.

Thermals and power draw

Rated at 240W continuous output, the supply delivers stable power for typical office components within the supported Mini Tower chassis. The internal fan regulates temperature using the case airflow path designed for the 790 and 990 platforms. Acoustic output remains low during standard productivity workloads.

Pontos fortes

  • Delivers 240W reliable power for OptiPlex Mini Tower systems
  • Designed specifically for Dell OptiPlex 790 and 990 desktops
  • Genuine Dell 709MT part ensures exact fit and function
  • New condition guarantees full rated performance from day one
  • Server-grade build quality supports continuous desktop operation

Especificações

BrandDELL
TypePower Supply

Perguntas sobre este artigo

How much continuous power does the 240W rating actually deliver inside a Dell OptiPlex 790 or 990 mini-tower?

The unit supplies up to 240 watts of continuous DC power to the motherboard, drives and add-in cards in those OptiPlex mini-tower chassis.

What power connector standard does the 709MT use to link with the OptiPlex 790 and 990 system boards?

It uses the Dell proprietary main-power connector keyed for OptiPlex 790 and 990 mini-tower motherboards.

Will the 709MT physically fit and screw into a standard OptiPlex 790 or 990 mini-tower case?

Yes, the housing matches the OptiPlex 790 and 990 mini-tower form factor and aligns with the case mounting points.

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