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Grey ATX power supply unit with single fan

Replace Power

Replace Power power supply for HP Pavilion 550-132 550-159c

SKU CH-G1N3-JQCXQ

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

  • ColorGrey
  • TypeATX
  • Fans1
  • Weight1
  • Replacement upgrade PSU for HP Pavilion 550 series
  • 20+4 pin ATX connector powers the motherboard
  • +12 V 4-pin connector feeds the CPU
  • One 6-pin power connector supports graphics cards
  • Three SATA connectors run drives and peripherals

Compatible HP Pavilion 550 PSU

This Replace Power unit is a new ATX power supply built for HP Pavilion 550-132 and 550-159c desktop PCs. It delivers standard ATX power through a grey chassis with a single cooling fan. The unit weighs one kilogram and serves as a direct replacement or upgrade for the original factory supply.

Connector layout and upgrade fit

It provides one 20+4 pin ATX connector, one +12V 4-pin power connector, one 6-pin power connector and three SATA connectors. A mini-SATA connector for 5 inch drives is also included. This fits systems needing those exact connections without adapter cables.

Check motherboard power headers

Verify that your motherboard accepts a 20+4 pin main power plug and a 4-pin +12V CPU plug. Confirm the case can hold a standard ATX unit and that the SATA count matches your drive complement. Ensure the 6-pin connector satisfies any dedicated graphics card you plan to keep.

Highlights

  • Replacement upgrade PSU for HP Pavilion 550 series
  • 20+4 pin ATX connector powers the motherboard
  • +12 V 4-pin connector feeds the CPU
  • One 6-pin power connector supports graphics cards
  • Three SATA connectors run drives and peripherals

Specifications

BrandReplace Power
ColorGrey
TypeATX
Fans1
Weight1

Questions about this item

Will the ATX form factor and 20+4 pin connector fit the HP Pavilion 550-132 chassis and motherboard?

This PSU uses the standard ATX form factor and includes a 20+4 pin ATX connector that matches the motherboard on the 550-132 and 550-159c models.

Which cables must be connected during installation to avoid a no-post condition?

Connect the 20+4 pin ATX cable and the +12V 4-pin CPU cable first; the system will not start if the 4-pin CPU power is missed.

How many SATA drives can be powered later if I add storage?

The unit provides three SATA power connectors, so up to three SATA drives can be powered simultaneously.

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