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Rectangular grey metal power supply unit with 4Pin connector and fan grille

SMUGDESK

SMUGDESK 400W power adapter HP 280 400 600 800 G3 G4 G5 Zhan 86 89 4Pin

SKU CH-8NB7-A8VW9

400W replacement power supply fits HP ProDesk 280, 400, 600, 800 G3/G4/G5 MT and Zhan 86/89 towers with 4Pin mainboard connector and SATA peripheral ports

  • Powers HP ProDesk 280 400 600 800 G3 G4 G5 MT towers
  • Replaces seven OEM part numbers for direct plug-and-play installation
  • Delivers stable 400W continuous output from 100-240V universal AC input
  • Includes SATA and IDE peripheral ports for drive and hardware expansion
  • Built-in overvoltage overcurrent short-circuit and overheat protection with silent cooling fan

Compatible HP Desktop Models

This 400W replacement power supply fits HP ProDesk 280, 400, 600 and 800 G3, G4, G5 mini-towers plus Zhan 86 and 89 units. It cross-references OEM part numbers PA-3401-1HA, PA-3401-6HY, PCG007, D16-180P1B and D19-350P2A for direct plug-and-play installation. Builders needing a different form factor or proprietary connector count cannot use this unit.

Thermals, Noise and Power Draw

The adapter delivers a rated 400W continuous output from a 100-240V universal AC input with high energy efficiency for long office runs. A silent cooling fan manages working temperature and running noise while built-in protection guards against overvoltage, overcurrent, short-circuit and overheat events.

Bundled Connectors and Expansion Support

The exclusive 4Pin mainboard interface matches original internal wiring and the supply includes SATA and IDE peripheral power ports. These connectors support hard drives, optical drives and other hardware expansion without extra adapters or cables.

Highlights

  • Powers HP ProDesk 280 400 600 800 G3 G4 G5 MT towers
  • Replaces seven OEM part numbers for direct plug-and-play installation
  • Delivers stable 400W continuous output from 100-240V universal AC input
  • Includes SATA and IDE peripheral ports for drive and hardware expansion
  • Built-in overvoltage overcurrent short-circuit and overheat protection with silent cooling fan

Specifications

No published specifications for this item yet.

Questions about this item

How do I install the SMUGDESK 400W power supply in my HP ProDesk MT and which step is most often done incorrectly?

Remove the side panel, unplug the old unit, fit the new supply using the original mounting holes, connect the proprietary 4Pin mainboard connector first, then attach SATA and IDE power cables to drives. The step most often missed is seating the 4Pin connector fully until it clicks.

What maintenance or replacement will this power supply need during its service life?

The internal cooling fan is the only moving part; keep its intake vents clear of dust. Electrolytic capacitors age with heat and time, so plan to replace the whole unit after several years of continuous office use.

What limit appears first when this 400W unit runs under sustained full load?

The 400W continuous output rating is the primary limit; exceeding it triggers overcurrent protection. Thermal protection will also activate if the fan cannot dissipate heat fast enough during prolonged maximum-load operation.

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