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Silver rectangular ATX power supply unit with ventilation grille and label showing model numbers

KHACHIMO

KHACHIMO C521 GX620 GX520 745 740 DT H280P-01 280W ATX Power Supply

SKU CH-XZG3-0K2ZX

A 280 W ATX power supply tested working for compatible Dell OptiPlex systems

  • TypeATX
  • Ready to install with verified working condition
  • 280W ATX output powers compatible desktops
  • Replaces multiple OEM part numbers including H280P-01
  • New unit built with good quality components

Compatible Dell ATX PSU

This 280W ATX power supply replaces Dell part numbers C521, GX620, GX520, 745, 740, DT, H280P-01, L280P-01 and D280P-00. It fits standard ATX chassis used in those legacy desktop models. The unit is supplied new and tested working. It delivers reliable power for original system components.

Direct replacement for listed Dell models

Upgrade when the original supply fails or shows instability under load. The 280W rating matches the factory specification for the named systems. Builders needing higher wattage for discrete graphics or additional drives should select a higher-capacity ATX unit instead.

Highlights

  • Ready to install with verified working condition
  • 280W ATX output powers compatible desktops
  • Replaces multiple OEM part numbers including H280P-01
  • New unit built with good quality components

Specifications

TypeATX

Questions about this item

What case form factor does the 280W ATX power supply fit?

It fits a standard ATX case with the matching mounting holes and rear cut-out.

Which step do installers often miss when fitting the H280P-01 unit?

Connecting the 4-pin CPU power cable near the socket before closing the case.

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