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Gulfe ATX power supply unit, reduced depth, black metal case, single fan grille, multiple cable connectors visible

Gulfe

Gulfe ATX Power Supply Replacement HP Pavilion H8 1050Z 1055SC 1056SC

SKU CH-420N-X4PHF

ATX replacement unit for HP Pavilion H8 1050Z, 1055SC and 1056SC desktops with reduced depth and 24‑pin plus 4‑pin CPU connectors

  • Fan configuration1
  • Product typeATX
  • Product weight2.5
  • Compatible with HP Pavilion H8 1050Z 1055SC 1056SC desktops
  • Reduced depth ATX form factor fits tighter chassis spaces
  • Over current and over power protection safeguards components
  • High efficiency design with low ripple and noise output
  • Multiple connectors including 24-pin ATX 4-pin CPU SATA and LP4

Direct replacement for HP Pavilion H8 desktops

This Gulfe ATX unit is built to replace the original power supply in HP Pavilion H8 1050Z, 1055SC and 1056SC systems. It delivers the standard +5V, -5V, +3.3V, -12V, +5V-SB and dual +12V rails through a 24-pin ATX connector, a 4-pin P4-12V connector, three SATA power plugs, two LP4 plugs and one floppy plug. The reduced-depth chassis measures 5.86 by 3.3 inches for easier fitment.

Verify connector requirements

Before ordering, confirm that your motherboard uses a 20+4 pin ATX main connector and a 4-pin P4-12V CPU power connector. Check that the three SATA, two LP4 and single floppy connectors match your drive and peripheral count. The unit accepts 115 or 230 V AC input at 47 to 63 Hz; ensure the voltage selector switch matches your mains supply.

Single-fan cooling with protection circuits

One internal fan provides airflow across the reduced-depth frame. Over-current and over-power protection circuits guard connected components during fault conditions. The supplier notes high efficiency and low ripple and noise, with a rise time under 70 ms and a minimum hold-up time of 17 ms at nominal load. The unit weighs 2.5 units.

How it compares

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

Price $66.99
Cheaper than about 81% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Brand nameGulfe
Product typeATX
More details
Fan configuration1

Questions about this item

Which cables and connectors come with the Gulfe ATX power supply, and what will I need to source separately?

The unit includes a 24-pin (20+4) ATX connector, one 4-pin P4-12V, three SATA 15-pin, two LP4 4-pin and one floppy 4-pin connector; any additional PCIe or extra SATA cables must be purchased separately.

The listing mentions several HP model numbers — how do I know which version matches my Pavilion desktop?

This replacement is built for the HP Pavilion H8 1050Z, 1055SC and 1056SC; verify your chassis label against those three model numbers before ordering.

What does the 17 ms hold-up time mean for my system during a brief power dip?

At nominal input the supply can maintain all output rails for at least 17 ms, giving the motherboard enough ride-through for short mains interruptions.

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