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Rectangular slim desktop PSU, metal casing, 24-pin and SATA connectors visible

DELL

DELL 250 W Slim Desktop Power Supply PS-5251-08D

SKU CH-5PKT-9H4Z8

A 250 W slim-desktop power supply with a 24-pin connector, three SATA connectors, a 4-pin connector and a floppy connector, compatible with OptiPlex 390, 790, 990, 3010, 7010, 9010, Inspiron 537s.

  • TypeAT
  • Genuine Dell OEM unit ensures authentic compatibility
  • 250 Watt output powers slim desktop systems
  • AT form factor fits OptiPlex and Inspiron towers
  • 24-pin, 4-pin, SATA and floppy connectors included
  • Replaces multiple part numbers for easy sourcing

Genuine Dell 250 W Slim Desktop PSU

This authentic Dell OEM switching power supply delivers 250 watts to compatible slim desktop towers. It uses an AT form factor and provides a 24-pin connector, 4-pin connector, SATA connectors and a floppy connector. The unit is supplied new and matches the PS-5251-08D model designation.

For owners of listed OptiPlex.

This PSU fits OptiPlex 390, 790, 990, 3010, 7010 and 9010 slim models along with Inspiron 537s, 540s, 545s, 546s, 560s, 570s, 580s and 620s plus Vostro 200s, 220s, 230s, 260s and 400s. It will not suit small form factor SFF chassis, standard ATX towers or systems requiring higher wattage.

Direct replacement with original cabling

The bundled connectors match the factory pin-out for the supported Dell motherboards, so no adapters are needed. The included SATA, 4-pin and floppy leads cover the drive and peripheral complement typical of these slim desktops.

Highlights

  • Genuine Dell OEM unit ensures authentic compatibility
  • 250 Watt output powers slim desktop systems
  • AT form factor fits OptiPlex and Inspiron towers
  • 24-pin, 4-pin, SATA and floppy connectors included
  • Replaces multiple part numbers for easy sourcing

Specifications

TypeAT

Questions about this item

Which motherboard connector does the 24-pin ATX plug on this PS-5251-08D unit mate with?

It connects to the standard 24-pin ATX socket on Dell OptiPlex 390, 790, 990, 3010, 7010 or 9010 motherboards.

Will the 250 W output support the original CPU and integrated graphics in an OptiPlex 790 without an extra graphics card?

Yes, the 250 W rating matches the factory specification for those slim-desktop configurations.

How can I confirm the PS-5251-08D is delivering power after installation?

The system should POST, the power LED on the front panel lights, and drives attached to the SATA connectors spin up.

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