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Rectangular ATX power supply unit, matte metal finish, fan grille visible

KHACHIMO

KHACHIMO YM-7421D 420W power supply

SKU CH-PCH5-J9NG1

420 W ATX power supply tested and working, compatible with SSG520 and SSG550 units

  • TypeATX
  • ATX form factor fits standard PC cases
  • 420 W output powers typical desktop builds
  • Tested working before shipment ensures reliable operation
  • Compatible with SSG520 and SSG550 units for direct replacement

ATX 420W power supply for standard builds

The KHACHIMO YM-7421D is a new ATX power supply rated at 420W. It suits desktop systems that require a standard form-factor unit for everyday computing tasks. The unit has been tested and confirmed working before dispatch.

Sustained delivery at rated wattage

Under continuous load the supply maintains its 420W output without relying on short-term peak ratings. It is not intended for configurations that demand higher sustained power such as multi-GPU setups or workstations with many drives. The 3Y SSG520 and SSG550 references indicate compatible replacement applications.

Highlights

  • ATX form factor fits standard PC cases
  • 420 W output powers typical desktop builds
  • Tested working before shipment ensures reliable operation
  • Compatible with SSG520 and SSG550 units for direct replacement

Specifications

TypeATX

Questions about this item

How much heat does the 420W YM-7421D produce during all-day operation?

The unit is tested working at 420W output, so its heat output will scale with the actual load your system draws rather than the maximum rating.

Which existing connectors must my build already have to use this ATX power supply?

It follows the ATX form factor, so your case and motherboard need the matching ATX mounting holes and a 24-pin main power socket.

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