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Standard black ATX power supply unit with multiple cables and connectors

myVolts

myVolts Power Supply for HP Pavilion 550-115a DT PC

SKU CH-43P5-DV834

Replacement power supply for HP Pavilion 550-115a with 20+4 pin ATX, 12V 4-pin, 6-pin and three SATA connectors

  • TypeAT
  • Direct replacement for HP Pavilion 550-115a DT PC
  • 20+4 pin ATX connector powers the motherboard
  • +12 V 4-pin connector feeds the CPU
  • Six-pin connector supports discrete graphics cards
  • Three SATA connectors run storage drives

Direct replacement for HP Pavilion 550-115a DT PC

This myVolts power supply is built as a direct replacement for the HP Pavilion 550-115a DT PC desktop. It uses a standard AT form factor and provides the exact connectors the original unit used. The unit is new and ready to install in the target chassis.

Verify AT form factor and connector needs

Before ordering, confirm that your existing chassis accepts an AT type power supply and that the motherboard requires a 20+4 pin ATX connector plus a +12V 4-pin power connector. Check that your storage drives use SATA power and that any add-in card needing auxiliary power uses a 6-pin connector. The unit also includes a mini-SATA connector for 5-inch devices.

Upgrades the original 550-115a unit

This unit replaces the factory power supply in the 550-115a model when the original fails or when a fresh unit is preferred. The jump is worth it if the current PSU shows instability, noise or connector wear. It is not for builders who need higher wattage than the original design, modular cabling or additional PCIe power connectors beyond the single 6-pin provided.

Puntos fuertes

  • Direct replacement for HP Pavilion 550-115a DT PC
  • 20+4 pin ATX connector powers the motherboard
  • +12 V 4-pin connector feeds the CPU
  • Six-pin connector supports discrete graphics cards
  • Three SATA connectors run storage drives

Especificaciones

TypeAT

Preguntas sobre este artículo

Which cables come attached and which extras must I source for the HP Pavilion 550-115a DT PC?

The unit provides one 20+4 pin ATX connector, one +12 V 4-pin connector, three SATA connectors and one 6-pin power connector.

How do I decide between the available versions for this desktop?

Only a single replacement upgrade PSU is listed for the 550-115a, so no version choice is required.

What does the 12 V rail actually deliver once installed in the machine?

The +12 V 4-pin connector supplies the processor power rail, while the 6-pin connector feeds auxiliary components such as a discrete graphics card.

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