400W 942332-001 Power Supply for HP Prodesk G3/G4 - Replacement Unit

Our review of the 400W power supply focuses on whether this replacement unit is a sensible repair option for HP Prodesk owners. The bottom line: technicians and small office users who need a direct, compatible replacement for failed internal PSUs will appreciate this unit because it mirrors the original HP part numbering and connector set, making swap-outs straightforward. In this review the emphasis is on compatibility, connector layout and the simple 1-year aftersales service that makes replacement less risky for downtime-sensitive desktops.

Key Features

• Compatibility: Matches HP part numbers such as 942332-001, L04618-400 and L04618-800 so it plugs in where original units fit without modification.
• Rated Output: Delivers a total of 400W which provides the same baseline power as the factory supply for typical Prodesk desktop configurations.
• Connector Set: Includes the listed 4Pin, 4Pin, 8Pin and 7Pin 3-wire connectors so drives and motherboard CPU headers can be reused without adapter cables.
• Input Range: Wide 100-240V, 50-60Hz input allows reliable operation in varied power environments and reduces sensitivity to voltage differences when relocated.
• Service Coverage: Comes with a 1 year manufactured aftersales service that offers a safety net if the unit fails shortly after installation.
• Direct Replacement: Sold as a repair unit compatible with many Prodesk models so it minimizes the need to replace the entire system for power supply faults.

Who It's For

The unit is best suited for IT technicians, small business managers and DIY PC owners who maintain HP Prodesk 280, 285, 288, 480, 600, 680 or 800 series desktops and need a like-for-like replacement. Because it follows the original part numbers and connector pinout, it streamlines repairs without sourcing multiple connectors or special adapters.

Users who need modular cabling, very high-wattage upgrades or specialized fan control should look elsewhere; this is a straight replacement designed to match factory specifications rather than provide customization or overclocking headroom.

Pros & Cons

Pros

• Direct compatibility with listed HP part numbers simplifies installation in supported Prodesk models.
• 400W total output offers sufficient power for standard office and light workstation builds.
• Broad input voltage support makes it suitable for deployments in varied environments.

Cons

• Not intended for high-end upgrades or systems that require more than 400W; capacity is limited to typical factory configurations.

Specifications

Output Total Power	400W
Output Voltages	+12.1V main / +12.1V cpu / +12.1V G
Output Current	16A per +12.1V rail (main, cpu, G)
Input	100-240V, 50-60Hz, 5.2A
Connectors	4Pin + 4Pin + 8Pin + 7Pin 3-wire
Compatible Part Numbers	942332-001, L04618-400, L04618-800, PA-3401-1HA, PA-3401-2HA, L76557-001

Our Verdict

This replacement 400W power supply is a pragmatic choice for anyone repairing HP Prodesk G3 and G4 series desktops. It matches original part numbers and the connector layout, making installation quick and reducing downtime, while the 1 year aftersales coverage adds reassurance. Buy it when you need a direct, economical repair; choose a different supply if you require extra power or modular cables.

Frequently Asked Questions

Will this fit my HP Prodesk 600 G4?
Yes, the unit is listed as compatible with HP Prodesk 600 G4 and other Prodesk G3/G4 models that use the same form factor and connectors.

Does it include a warranty?
Yes, the product ships with a 1 year manufactured aftersales service for defects or early failures.

Can it power a high-end graphics card?
No, the 400W total output is intended for standard configurations and may be insufficient for systems with power-hungry discrete graphics; consider a higher wattage supply for those builds.