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Rectangular silver ATX power supply unit with ventilation grille and label showing model numbers

KHACHIMO

KHACHIMO YM-7421D SSG520M SSG550M 420W Power Supply

SKU CH-AQS8-TBA3E

ATX 420W power supply tested working for reliable system operation

  • TypeATX
  • ATX form factor fits standard desktop cases
  • 420 W continuous output powers mid-range builds
  • Tested working before shipment ensures reliability
  • Good quality components support stable operation

KHACHIMO YM-7421D 420W ATX Power Supply

This KHACHIMO ATX power supply delivers 420W for desktop systems. Identified by model numbers YM-7421D, SSG520M and SSG550M, it is supplied new and tested working. The unit fits standard ATX cases and provides reliable power for everyday computing tasks.

Suited for standard ATX builds needing 420W

This unit suits builders assembling or repairing a standard ATX desktop that requires a 420W supply. It is not for systems demanding higher wattage output such as 520W or 550W loads. Buyers needing modular cables or specific efficiency certifications should look at other options.

商品特色

  • ATX form factor fits standard desktop cases
  • 420 W continuous output powers mid-range builds
  • Tested working before shipment ensures reliability
  • Good quality components support stable operation

商品規格

TypeATX

商品問答

Will the ATX form factor of this 420W unit fit a standard ATX case?

Yes, the ATX form factor matches standard ATX mounting holes and dimensions for typical cases.

What is the common mistake when installing the 24-pin ATX connector on this power supply?

Not pushing the 24-pin connector until the latch clicks, leaving the motherboard without full power.

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