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Rectangular silver server power supply unit with rear fan grille and power socket

WMtec

WMtec 180W Server Power Supply for HP 280G3 400G5 PA-1181-3HB

SKU CH-23Z0-3M57C

Replaces the 180 W PSU in HP 280 G3 and 400 G5 desktops using part numbers L07658-001, L17839-001 or PA-1181-3HB

  • Compatible with HP 280G3 and 400G5 desktops
  • Delivers 180W output for stable system operation
  • Replaces OEM part numbers L07658-001 and L17839-001
  • Matches PA-1181-3HB specification for direct fit

Compatible HP Desktop Models

This 180W server power supply replaces the original unit in HP 280G3 and 400G5 desktop systems. It matches the PA-1181-3HB form factor and connector layout used in those chassis. The unit is new and ready for direct installation.

Deciding Specification — 180W Output

The single figure that determines fit is the 180W rated output. Systems requiring a higher wattage supply will not operate correctly with this unit. Buyers who need more power for upgraded graphics or additional drives cannot use this replacement.

How it compares

Measured against everything we stock in Server & Hot-Plug PSUs, at today’s prices. Recalculated every night.

Price $160.99
Pricier than about 60% of the 3,798 comparable items (median $131.99).

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Specifications

No published specifications for this item yet.

Questions about this item

What does the 180 W rating mean once the unit is installed in an HP 280 G3 or 400 G5?

It supplies up to 180 watts of continuous power to the motherboard, CPU, memory and any fitted drives or expansion cards.

Which connector standard does the PA-1181-3HB use, and what does it limit?

The supply uses HP's proprietary server connector, so it only fits the 280 G3 and 400 G5 chassis it was designed for.

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