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Rectangular black ATX power supply unit with ventilation grille and fan visible

KHACHIMO

KHACHIMO For FSP SPI400A8BB 400W ATX Power Supply

SKU CH-1C6Q-SHD3M

400 W ATX power supply with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby support

  • TypeATX
  • Modern Standby support for fast wake-from-sleep
  • 80 PLUS Gold certification cuts power draw and heat
  • Zero RPM fan mode stops the fan at low load
  • Resonant LLC with DC-to-DC gives clean power and less coil whine
  • 400 W ATX output covers SPI400A8BB and SPI350A8BB replacements

KHACHIMO 400W ATX Power Supply

This KHACHIMO unit replaces the FSP SPI400A8BB and compatible SPI350 models in ATX systems. It delivers 400W of continuous power with 80 PLUS Gold efficiency for lower running costs and reduced heat. Modern Standby compatibility enables extremely fast wake-from-sleep times. The resonant LLC topology with DC-to-DC conversion provides clean, stable output for reliable operation.

Suitable for standard ATX builds needing 400W

This supply fits PCs requiring an ATX form factor unit rated at 400W with Gold-class efficiency. Builders wanting silent idle operation benefit from the Zero RPM fan mode that stops the fan at low and medium loads. Systems needing higher wattage than 400W should look at a higher-capacity unit. Compact chassis requiring SFX or TFX form factors cannot use this ATX-sized supply.

400W rated output

The 400W rating is the single figure that determines whether this unit meets the build's power budget. It must cover the combined load of the CPU, graphics card, drives and peripherals under full load. If the total system draw exceeds 400W, a higher-rated supply is required. The 80 PLUS Gold certification ensures efficient conversion at typical loads.

Points forts

  • Modern Standby support for fast wake-from-sleep
  • 80 PLUS Gold certification cuts power draw and heat
  • Zero RPM fan mode stops the fan at low load
  • Resonant LLC with DC-to-DC gives clean power and less coil whine
  • 400 W ATX output covers SPI400A8BB and SPI350A8BB replacements

Caractéristiques

TypeATX

Questions sur cet article

What motherboard power connectors are required for this 400W ATX supply?

A standard 24-pin ATX connector and the matching 4-pin or 8-pin CPU power cable must be present on your motherboard for the unit to function.

Will the Zero RPM fan mode still engage if I pair this 80 PLUS Gold unit with an older, lower-draw graphics card?

Yes, the fan remains off at low and medium loads regardless of the GPU age, so an older card drawing less power keeps the supply silent.

How can I confirm the Modern Standby compatibility is active after installation?

The system should wake from sleep almost instantly and the fan should stay off during idle, showing the low-load efficiency is working.

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