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Gulfe ATX power supply unit, compact metal chassis, single fan grille, cable bundle visible

Gulfe

Gulfe ATX Power Supply for HP Pavilion P7-1430BR p7-1490

SKU CH-X7A1-NF05H

ATX power supply with reduced depth for HP Pavilion P7-1430BR and p7-1490 desktops, offering 24-pin ATX, 4-pin CPU, three SATA and two LP4 connectors

  • TypeATX
  • Fans1
  • Weight2.5
  • ATX reduced depth fits HP Pavilion P7-1430BR and p7-1490 cases
  • Dual voltage input 115 / 230 V works worldwide
  • Over current and over power protection safeguards components
  • 24-pin ATX, 4-pin CPU, three SATA, two LP4, one floppy connectors included
  • High efficiency design with low ripple and noise for stable delivery

Target System Compatibility

This ATX power supply is built as a direct replacement for HP Pavilion P7-1430BR and p7-1490 desktop computers. The reduced depth form factor improves fit inside compact OEM chassis where standard units may not clear internal components. It delivers the necessary +5V, -5V, +12V1, +12V2, +3.3V, -12V and +5V-SB rails through native connectors including a 24-pin ATX, 4-pin P4, three SATA, two LP4 and one floppy plug. The unit weighs 2.5 units and measures 5.9 inches by 3.4 inches.

Thermals, Noise and Power Draw

A single fan provides active cooling across the 115/230 V input range and 47-63 Hz frequency band. The supply is hi-pot tested and specified for low ripple and noise during operation. Protective circuits include over-current and over-power shutdown to protect connected hardware. Rise time is rated under 70 ms with a minimum hold-up time of 17 ms at nominal load, supporting stable voltage delivery during brief mains interruptions. High efficiency is claimed by the manufacturer.

Upgrade Context and Limits

This unit replaces several older legacy power supplies used in the listed HP Pavilion models. It restores reliable power when the original unit has failed or become unstable. The connector set covers the motherboard, CPU, SATA drives, legacy LP4 peripherals and a floppy drive if present. It is not suitable for systems requiring additional PCIe power connectors, higher total wattage than the original design, or modern 12VHPWR graphics cards. Builders needing modular cabling or silent fanless operation should look elsewhere.

Punti di forza

  • ATX reduced depth fits HP Pavilion P7-1430BR and p7-1490 cases
  • Dual voltage input 115 / 230 V works worldwide
  • Over current and over power protection safeguards components
  • 24-pin ATX, 4-pin CPU, three SATA, two LP4, one floppy connectors included
  • High efficiency design with low ripple and noise for stable delivery

Caratteristiche tecniche

BrandGulfe
TypeATX
Fans1
Weight2.5

Domande su questo articolo

How do I install the 24-pin ATX and 4-pin P4 connectors in the HP Pavilion P7-1430BR, and which step is often missed?

Connect the 20+4 pin ATX plug to the motherboard and the 4-pin P4-12V plug to the CPU socket; the step often missed is seating the 4-pin CPU power firmly until it clicks, as the system will not POST without it.

Which components in this Gulfe ATX unit are most likely to need replacement after extended use?

The single internal fan is the primary wear item; its bearings can degrade over time, leading to noise or reduced airflow, while electrolytic capacitors may eventually lose capacity under continuous load.

What is the first limit reached when this power supply runs at full load for long periods?

The 17 ms minimum hold-up time at nominal input is the first hard limit; if AC power dips longer than this, output voltage drops and the system will shut down or restart.

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