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Rectangular metal power supply unit with cooling fan and cable connectors

Yaokong

Yaokong PS-4501-2 PS-4301-2 500W Power Supply for HP 870 875 880 900 GA1

SKU CH-T3NN-F39F7

A 500 W power supply for HP 870, 875, 880 and 900 GA1 desktops, tested before shipping

  • Delivers 500W to compatible HP desktops
  • Fits HP 870, 875, 880, 900 and GA1 models
  • Replaces PS-4501-2 and PS-4301-2 part numbers
  • Tested working before shipment

Direct Replacement for HP Desktops

This 500 W switching power supply is built to fit HP 870, 875, 880 and 900 GA1 chassis using the PS-4501-2 or PS-4301-2 part numbers. It serves owners who need a like-for-like unit to restore power to those specific models.

Tested Unit with Standard Cooling

Each unit is tested before shipping to confirm operation. The supply uses its original internal fan and switching topology to manage heat and noise at the rated 500 W load within the host chassis.

How it compares

Measured against everything we stock in Tech Gadgets & Accessories, at today’s prices. Recalculated every night.

Price $78.99
Pricier than about 85% of the 5,998 comparable items (median $24.99).

Specifications

Product
Brand nameFor HP
Model namePS-4501-2, PS-4301-2
Part numberPS-4501-2, PS-4301-2

Questions about this item

How do I install this 500W power supply into an HP 870 desktop and which connector alignment step is often missed?

Align the PS-4501-2 unit with the chassis rails, secure the four mounting screws, then attach the 24-pin ATX and 4-pin CPU cables; the step often missed is fully seating the 24-pin clip until it clicks.

What maintenance will this PS-4301-2 unit need later and when should the internal fan be cleaned?

The PS-4301-2 requires no scheduled part replacement; clean the intake fan with compressed air every six to twelve months depending on dust levels to maintain airflow.

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