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Black rectangular metal power supply unit with multiple cable connectors visible

myVolts

myVolts 240W Power Supply for HP ProDesk 400 600 800 G1 G2 SFF

SKU CH-4XT2-HK55A

240W AT power supply replaces HP ProDesk 400 600 800 G1 G2 SFF units using part numbers 751884-001 702307-001 702307-002 702309-001 751886-001 796351-001 702457-001 702455-001

  • TypeAT
  • Reliable replacement for HP ProDesk SFF systems using part numbers 751884-001 and 702307-001
  • Delivers 240W maximum output to support demanding desktop workloads
  • Wide 100-240V AC input works on 50Hz or 60Hz mains worldwide
  • Includes 6-pin, 6-pin and 4-pin connectors matching original PSU layout
  • Brand-new unit tested before shipping for immediate installation

240W Replacement for HP ProDesk SFF

This 240 watt AT power supply replaces the original unit in HP ProDesk 400 600 800 G1 G2 small form factor desktops. It matches part numbers including 751884-001, 702307-001 and 702457-001. The unit accepts 100-240V AC input at 50-60Hz and delivers up to 240W DC output. It is intended for owners restoring or repairing these specific SFF chassis.

Connectors Included

The supply provides three fixed output connectors: a 6-pin P1, a 6-pin P2 and a 4-pin P3. These plugs correspond to the motherboard and peripheral headers used in the listed ProDesk models. No extra cables or adapters are bundled, so the existing cable routing in the chassis is reused. The connector set covers the power needs of the supported configurations without modification.

Straightforward Swap

Installation consists of removing the old supply, aligning the new unit with the chassis mounting points and seating the three keyed connectors. The fixed cables eliminate wiring errors, but the short loom can be tight in the compact SFF cavity. Builders who need higher wattage for discrete graphics upgrades should verify the 240W limit before ordering.

Highlights

  • Reliable replacement for HP ProDesk SFF systems using part numbers 751884-001 and 702307-001
  • Delivers 240W maximum output to support demanding desktop workloads
  • Wide 100-240V AC input works on 50Hz or 60Hz mains worldwide
  • Includes 6-pin, 6-pin and 4-pin connectors matching original PSU layout
  • Brand-new unit tested before shipping for immediate installation

Specifications

TypeAT

Questions about this item

Will the internal fan on this 240W AT supply need cleaning or replacement after long-term use?

The unit uses a standard internal cooling fan; dust can be cleared with compressed air, and the fan is replaceable with a matching 60 mm or 80 mm frame if it ever becomes noisy or fails.

What component hits its limit first when the PSU runs at full 240 W output continuously?

The primary limit is the 240 W maximum DC output rating; sustained loads at that level will stress the main switching transistors and output capacitors before any other part.

How much heat and noise should I expect when this supply powers an HP ProDesk SFF all day?

At typical office loads well below 240 W the fan runs at low speed, producing modest airflow and quiet operation; sustained heavy loads will increase fan speed and case temperature accordingly.

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