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Silver metal rectangular desktop power supply unit with single cooling fan and cable bundle

HP

HP 5188-2622 250W desktop power supply

SKU CH-MCTH-EZDHZ MPN 5188-2622

Desktop power supply delivering 250 W with one fan and a 20-pin connector

  • Max wattage250 W
  • Fan configuration1 Fan
  • Product typeDesktop Power Supply
  • Product weight2.2
  • 250 W maximum power supports desktop components
  • Single fan provides active cooling
  • 2 kg weight fits standard chassis
  • 20-pin ATX connector matches motherboard
  • New condition ensures reliable operation

HP 250W desktop power supply

This HP 5188-2622 unit is a 250 W desktop power supply built for small-form-factor systems such as the Pavilion A6000 series. It delivers up to 250 watts of continuous power through a standard 20-pin ATX connector and includes a single integrated fan for active cooling.

Replacement part for compatible HP chassis

The supply suits owners replacing a failed original unit in a matching HP Pavilion desktop where the 20-pin ATX interface and 250 W rating align with the motherboard requirements. Builders assembling a custom system or upgrading to higher-wattage components should look elsewhere, as the fixed 250 W limit and proprietary fit restrict broader compatibility.

20-pin ATX connector decides fit

The single specification that determines whether this is the correct part is the 20-pin ATX main power connector; the motherboard must accept this exact interface for the supply to function.

How it compares

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

Price $63.99
Cheaper than about 83% of the 10,869 comparable items (median $142.99).
Max wattage 250 W
Lower than about 94% of the 930 comparable items (median 850 W).

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Specifications

Product
Brand nameHP
Model name5188-2622
Product typeDesktop Power Supply
Power
Max wattage250 W
More details
Fan configuration1 Fan

Questions about this item

How is the 20 pin connector fitted to the motherboard and what step is often missed?

Align the keyed 20 pin plug with the motherboard socket and press until the latch clicks; the step often missed is failing to seat the latch fully, leaving the connection loose.

What maintenance will the single fan need over time?

The 1 fan will collect dust; clean the blades and intake grille with compressed air every few months to keep airflow steady.

At what sustained load does the 250 W limit become the bottleneck?

Continuous draw above 250 W will trigger protection shutdown; the unit is rated for 250 W maximum power.

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