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Rectangular ATX power supply unit in matte black finish

KHACHIMO

KHACHIMO FASTT100SF620 G2 400W Power Supply AA21660

SKU CH-1V3E-HKNB5

A 400W ATX power supply tested and working for standard desktop builds

  • TypeATX
  • Tested and verified working for reliable operation
  • 400W output delivers stable power to system components
  • ATX form factor fits standard desktop cases
  • Good quality construction supports consistent performance

400W ATX Power Supply for Standard Builds

This KHACHIMO unit delivers 400 watts of continuous power in a standard ATX form factor. It suits office PCs, home desktops and basic workstations that rely on integrated graphics or modest dedicated cards. The supply is tested and verified as working before shipment.

400W Capacity Limits for Demanding Components

The 400W ceiling handles mainstream CPUs and single mid-range GPUs without strain. It runs out when a build adds multiple high-end graphics cards, heavy overclocking or large drive arrays that push peak draw past the rated output. Builders planning those loads need a higher-wattage unit.

Highlights

  • Tested and verified working for reliable operation
  • 400W output delivers stable power to system components
  • ATX form factor fits standard desktop cases
  • Good quality construction supports consistent performance

Specifications

TypeATX

Questions about this item

Will this 400W ATX power supply fit my older case and connect to the 24-pin and 4-pin motherboard headers I still use?

The unit follows the ATX form factor, so it matches the standard mounting holes and supplies the 24-pin main connector plus the 4-pin CPU power lead found on older boards.

How can I confirm the FASTT100SF620 G2 is delivering stable power once installed?

Power on the system and verify it posts cleanly, runs without random restarts under load, and the rear fan exhausts warm air steadily.

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