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Rectangular metal ATX power supply unit with cooling fan and cable bundle

KHACHIMO

KHACHIMO Switching Power Supply 5V 60A 300W

SKU CH-GT5B-4R39W

A 5 V 300 W switching power supply delivering 60 A with 80 PLUS Gold efficiency, zero-RPM fan mode and resonant LLC topology for clean, quiet power

  • TypeATX
  • Modern Standby compatible for extremely fast wake-from-sleep
  • 80 PLUS Gold certified for high efficiency and lower power consumption
  • Zero RPM fan mode stops the fan at low and medium loads
  • Resonant LLC topology with DC-to-DC conversion delivers clean, consistent power
  • 5 V 60 A output provides 300 W for demanding systems

300 W ATX power supply for desktop builds

This KHACHIMO ATX unit delivers 300 watts of continuous power with 80 PLUS Gold efficiency. It targets builders assembling mainstream desktops or upgrading older systems that need reliable, efficient energy conversion.

60 A on the 5 V rail gives strong headroom

The single 5 V rail is rated at 60 A, supplying ample current for drives, USB devices and legacy components. Heavy multi-GPU configurations or workstations drawing sustained loads well beyond 300 W will exceed this unit’s capacity.

Gold efficiency and zero-RPM fan keep noise low

Resonant LLC topology with DC-to-DC conversion reduces coil whine and supports modern standby sleep states. At low and medium loads the fan stops completely, offering near-silent operation for quiet-focused builds.

Highlights

  • Modern Standby compatible for extremely fast wake-from-sleep
  • 80 PLUS Gold certified for high efficiency and lower power consumption
  • Zero RPM fan mode stops the fan at low and medium loads
  • Resonant LLC topology with DC-to-DC conversion delivers clean, consistent power
  • 5 V 60 A output provides 300 W for demanding systems

Specifications

TypeATX

Questions about this item

Will this 300 W unit power my older ATX motherboard without issues?

It follows the ATX form factor and delivers 5 V at 60 A, so any motherboard with a standard 24-pin ATX connector will receive the correct voltages.

How can I confirm the 80 PLUS Gold efficiency is active after installation?

Under typical loads the fan remains off thanks to Zero RPM mode, and the system wakes from Modern Standby almost instantly, both signs the Gold-rated platform is operating as designed.

Does the package include the ATX power cables or must I buy them separately?

The unit ships with the fixed ATX cable harness attached; no separate cable purchase is required for a standard build.

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