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Grey ATX power supply unit with single fan and multiple cable connectors

Replace Power

Replace Power FSP300-ATXPA-1 300W ATX power supply

SKU CH-9TNC-8CQEM MPN FSP300-ATXPA-1

A 300 W ATX power supply with 24-pin, 4-pin CPU, three SATA and three LP4 connectors for HP 5188-2622 replacement

  • ColorGrey
  • TypeATX
  • Fans1
  • Weight0.1
  • Direct replacement for HP 5188-2622 systems
  • ATX reduced depth fits compact cases
  • Single fan cools 300W output quietly
  • 24-pin, 4-pin CPU, three SATA, three LP4, one floppy connectors
  • 110/220V auto-switching with 17ms hold-up time

Replacement PSU for HP 5188-2622

This Replace Power FSP300-ATXPA-1 is a 300W ATX power supply built as a direct replacement for HP part number 5188-2622. It suits owners of compatible HP desktops who need a new power module to restore reliable operation. The grey unit uses a standard ATX form factor with reduced depth for broader chassis compatibility.

Check connectors and chassis depth before ordering

Verify that your system requires a 24-pin ATX connector, a 4-pin P4-12V connector, three SATA 15-pin connectors, three LP4 4-pin connectors and one floppy 4-pin connector. Confirm the power supply fits the reduced depth of 5.86 inches by 3.3 inches inside your case. Ensure the AC input range of 110/220V at 47 to 63 Hz matches your mains supply.

Steady output with low ripple under load

The unit delivers +5V, -5V, +12V1, +12V2, +3.3V, -12V and +5V-SB rails with low ripple and noise. Rise time stays below 70 ms and hold-up time is at least 17 ms at nominal input. Hi-Pot testing confirms insulation integrity for sustained operation. A single fan provides cooling during continuous use.

Pontos fortes

  • Direct replacement for HP 5188-2622 systems
  • ATX reduced depth fits compact cases
  • Single fan cools 300W output quietly
  • 24-pin, 4-pin CPU, three SATA, three LP4, one floppy connectors
  • 110/220V auto-switching with 17ms hold-up time

Especificações

BrandReplace Power
ModelFSP300-ATXPA-1
ColorGrey
TypeATX
Fans1
Weight0.1

Perguntas sobre este artigo

What connectors come with the FSP300-ATXPA-1 and what else is needed?

The unit includes a 24-pin ATX (20+4) connector, one P4 4-pin, three SATA 15-pin, three LP4 4-pin and one floppy 4-pin. No extra cables are included.

Which capacity version of the Replace Power FSP300-ATXPA-1 should I choose?

Only the 300 W version exists for this model, so no capacity choice is required.

What does the 300 W rating mean once the supply is installed in a real PC?

It delivers up to 300 W across +5 V, -5 V, +12 V1, +12 V2, +3.3 V, -12 V and +5 V standby rails with hold-up time of at least 17 ms at nominal load.

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