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Silver rectangular ATX power supply unit with cooling fan grille

KHACHIMO

KHACHIMO GPS-400CB A 400W ATX Power Supply

SKU CH-1V4P-ZPJQY

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

  • TypeATX
  • Faster wake-from-sleep with Modern Standby support
  • Lower electricity use and heat via 80 PLUS Gold efficiency
  • Near-silent operation at typical loads with Zero RPM fan mode
  • Clean, stable power delivery through resonant LLC and DC-to-DC design
  • Reduced coil whine for quieter system operation

400 W ATX power supply for modern standby PCs

This 400 W ATX unit carries 80 PLUS Gold certification and supports Modern Standby for rapid wake-from-sleep and improved low-load efficiency. It targets builders who want efficient, quiet power for mainstream desktops or workstations. The resonant LLC topology with DC-to-DC conversion delivers clean output and helps reduce coil whine.

Check ATX fit and connector needs before ordering

Verify that your case accepts a standard ATX power supply and that the provided cables match your motherboard, CPU and GPU connector requirements. The unit is compatible with TS530, TS430 and T260 G3 platforms, so confirm your chassis or system model aligns with those references. Ensure the 400 W capacity covers the combined load of your components.

Gold efficiency, zero-RPM mode and quiet topology

At low and medium loads the fan stops completely for near-silent operation, while 80 PLUS Gold efficiency keeps waste heat and power draw low. The resonant LLC design with DC-to-DC conversion further reduces coil whine and supports deeper sleep states. Expect cooler, quieter performance in typical desktop workloads.

Highlights

  • Faster wake-from-sleep with Modern Standby support
  • Lower electricity use and heat via 80 PLUS Gold efficiency
  • Near-silent operation at typical loads with Zero RPM fan mode
  • Clean, stable power delivery through resonant LLC and DC-to-DC design
  • Reduced coil whine for quieter system operation

Specifications

TypeATX

Questions about this item

Does the GPS-400CB A ship with all cables needed for a standard ATX build or must any be purchased separately?

The unit is an ATX power supply and includes the fixed cables required for motherboard, CPU and peripheral connections; no extra cables are required for a typical build.

The supplier title lists TS530, TS430 and T260 alongside the GPS-400CB A — which version should I choose?

Those codes refer to other models in the same series; the GPS-400CB A is the 400 W Gold unit described here, so select this model when you need 400 W output.

What does the 80 PLUS Gold rating mean for everyday system power draw and thermals?

It guarantees at least 80 % efficiency at typical loads, reducing wasted electricity, lowering heat output and allowing the Zero RPM fan mode to stay active longer.

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