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Compact TFX power supply unit with metal casing and rear fan grille

myVolts

myVolts 320W TFX Power Supply for HP PC8044 504965-001

SKU CH-8BK4-G7DJ8

TFX 320 W power supply replaces 200-350 W units in HP PC8044 504965-001 desktops with 20+4 pin, 4-pin CPU, two Molex, floppy and two SATA connectors

  • Product typeAT
  • 320 W steady output powers demanding builds
  • TFX form factor fits slimline and SFF cases
  • 20+4 pin, 4-pin CPU, dual Molex, floppy, dual SATA connectors
  • 100–240 V auto-switching input works worldwide
  • 80 mm fan cools quietly under load

HP PC8044 Compatible TFX PSU

This 320 W TFX power supply is built to replace the original unit in the HP PC8044 504965-001 small-form-factor desktop. It delivers 320 W of continuous power through a 20+4 pin motherboard connector, a 4-pin CPU connector, two Molex, one floppy and two SATA leads. The 80 mm fan handles cooling inside the slim chassis.

Before ordering check your build

Verify that your HP desktop uses the PC8044 or 504965-001 part number and that the case accepts a TFX form-factor supply. Confirm the existing unit is rated at 200, 250, 300 or 350 W so the 320 W replacement matches or exceeds the original output. Ensure the motherboard requires a 20+4 pin main connector and a 4-pin CPU connector and that your drives use Molex, floppy or SATA power. The input range covers 100 to 240 V for worldwide mains compatibility.

Upgrade from lower-wattage TFX units

This supply replaces 200, 250, 300 or 350 W TFX power supplies in the supported HP models. The jump is worth it when the original unit has failed, when added peripherals demand more headroom or when a higher-wattage 420 W upgrade is not required. It restores reliable power delivery without changing the chassis or cable routing.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $105.99
Cheaper than about 65% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeAT

Questions about this item

What connectors come with the myVolts 320W TFX unit and what must I source separately?

The box includes 20+4 pin motherboard, 4-pin CPU, two Molex, floppy and two SATA leads; no extra cables are required for a standard HP PC8044 504965-001 installation.

Should I pick the 320W or the 420W upgrade for my HP PC8044 504965-001?

The supplied unit delivers 320W continuous power and replaces 200, 250, 300 or 350W originals; the 420W figure is an optional upgrade path, not the rating of this model.

How does the 320W rating translate to real use in a slimline HP desktop?

It provides steady 320W through an 80mm fan cooled TFX chassis, supporting 100/240V input for older PCs and new custom builds with multiple peripherals.

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