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Grey ATX power supply unit with single fan

Replace Power

Replace Power ATX power supply for HP Pavilion 550-339

SKU CH-312G-291XR

Grey ATX power supply with 20+4 pin, 4-pin +12V, 6-pin and three SATA connectors for HP Pavilion 550-339

  • ColorGrey
  • TypeATX
  • Fans1
  • Weight1
  • Direct replacement for HP Pavilion 550-339 desktop
  • Single 20+4 pin ATX connector powers motherboard
  • Dedicated +12V 4-pin connector feeds CPU
  • Three SATA connectors support storage drives
  • One 6-pin connector provides GPU power

Replacement PSU for HP Pavilion 550-339

This Replace Power ATX unit is built as a direct replacement for the HP Pavilion Desktop 550-339. It delivers standard ATX power in a grey enclosure with a single cooling fan. The supply includes a 20+4 pin motherboard connector, a +12V 4-pin CPU connector, three SATA drive connectors and one 6-pin peripheral connector.

Upgrading from a failed or noisy original unit

When the factory supply fails, becomes loud or can no longer support added drives, this unit restores reliable operation. The connector mix matches the original HP layout, so the swap requires no adapter cables. The jump is worth it when the system needs a fresh, new power source rather than a used pull.

Suits owners of the Pavilion 550-339 needing

Builders who need extra PCIe power cables, modular cabling or higher wattage than the original design should look elsewhere. This supply replicates the stock connector count and form factor only.

Points forts

  • Direct replacement for HP Pavilion 550-339 desktop
  • Single 20+4 pin ATX connector powers motherboard
  • Dedicated +12V 4-pin connector feeds CPU
  • Three SATA connectors support storage drives
  • One 6-pin connector provides GPU power

Caractéristiques

BrandReplace Power
ColorGrey
TypeATX
Fans1
Weight1

Questions sur cet article

Does this ATX power supply fit the HP Pavilion 550-339 chassis?

Yes, it is built as a direct replacement for that desktop model.

Which cables must be connected during installation?

Plug in the 20+4 pin ATX connector, the +12V 4-pin power connector, the 6-pin power connector, and the three SATA connectors.

When should the internal fan be cleaned?

Clean the single fan whenever dust builds up on the blades to keep airflow steady.

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