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DELL

DELL H275P-01 ATX12V 275 W power supply

SKU CH-QEPN-342XC

Delivers 275 W to compatible Dell desktops including OptiPlex and Dimension models

  • Max wattage275 W
  • Supply voltage110 V AC 220 V AC
  • Product typeATX 12 V
  • Delivers 275 W to run compatible Dell desktops
  • Accepts 110 V and 220 V mains for worldwide use
  • Fits Dimension 9200C, 5100c, 5150c and OptiPlex 740, GX520, GX620, 745, 755
  • Powers XPS 200 and XPS 210 systems reliably
  • Internal ATX12V form factor installs directly in supported chassis

Dell ATX12V 275 W unit

This Dell ATX12V power supply delivers 275 W of continuous output and accepts 110 V AC or 220 V AC input. It is built as an internal unit for Dell desktop systems. The design targets owners of compatible Dell workstations who need a direct replacement.

Capacity and headroom

The 275 W rating supports the original components in the listed Dell Dimension, OptiPlex and XPS models. It will run out of headroom if a discrete graphics card or additional drives are added beyond the factory configuration. Builders planning upgrades should verify total system draw before fitting this unit.

Compatibility list

This supply is validated for Dimension 9200C, 5100c, 5150c, OptiPlex 740, GX520, GX620, 745, 755, XPS 200 and XPS 210. It is not for owners of other Dell chassis or non-Dell ATX cases that require different connector layouts or higher wattage.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $125.99
Cheaper than about 57% of the 10,869 comparable items (median $142.99).
Max wattage 275 W
Lower than about 93% of the 930 comparable items (median 850 W).

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Specifications

Product
Brand nameDELL
Product typeATX 12 V
Power
Max wattage275 W
Supply voltage110 V AC 220 V AC

Questions about this item

Will the H275P-01 power an OptiPlex 755 and a Dimension 9200C without adapter cables?

The unit is listed as compatible with both the OptiPlex 755 and Dimension 9200C, so it fits their standard internal power connections.

How can I confirm the H275P-01 is delivering stable 275 W output after installation?

The system should boot reliably under full load and show no unexpected shutdowns, indicating the supply is meeting its rated 275 W output.

Does the H275P-01 come with the mounting screws and power cord required for a Dell XPS 200?

The power supply is an internal ATX12V unit; a standard IEC mains cable and case screws are typically needed but not confirmed in the product data.

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