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Silver rectangular AT power supply unit with ventilation grille and power connectors

myVolts

myVolts 300W AT Power Supply DPS-300AB-72 B

SKU CH-6QA3-RQKGA

300W AT power supply compatible with 285, 570, 480, 400, 498, 600, 800 G1G2 G3 G4 models

  • TypeAT
  • 300 W output powers compatible legacy systems
  • AT form factor fits older desktop chassis
  • Replaces multiple listed part numbers for easy sourcing
  • New condition ensures full rated performance from day one

Compatible replacement PSU

This 300 W AT power supply replaces the original unit in a range of legacy systems identified by part numbers such as 285, 570, 480, 400, 498, 600 and 800. It matches the DPS-300AB-72 B, D11-300P1A and FH-XD301MYF-1 references and fits chassis using PCB230 or PCB130 boards. The unit is new and ready for direct installation.

Upgrade from failed OEM units

The jump is worth it when the factory supply has failed or shows unstable voltages under load. Builders needing higher wattage, modern ATX connectors or efficiency certifications will not find those features here. This model serves strictly as a like-for-like AT replacement for the listed part numbers.

Pontos fortes

  • 300 W output powers compatible legacy systems
  • AT form factor fits older desktop chassis
  • Replaces multiple listed part numbers for easy sourcing
  • New condition ensures full rated performance from day one

Especificações

TypeAT

Perguntas sobre este artigo

Does the DPS-300AB-72 B use the standard AT form factor for mounting?

Yes, the unit is an AT-type power supply, so it fits the standard AT mounting pattern used by the compatible chassis listed in the part numbers.

What is the most common installation mistake with this 300W AT supply?

Connecting the PCB230 or PCB130 main power cables to the wrong keyed header on the motherboard, which prevents the system from starting.

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