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Rectangular silver ATX power supply with black cooling fan visible

KHACHIMO

KHACHIMO HK700-12UEPA 600W ATX power supply

SKU CH-8FWN-05BEX

600W ATX unit with 80 PLUS Gold efficiency, Modern Standby support, Zero RPM fan mode and resonant LLC DC-to-DC topology for clean, quiet power

  • TypeATX
  • Modern Standby support for faster wake times
  • 80 PLUS Gold efficiency reduces power draw and heat
  • Zero RPM fan mode keeps system silent at low load
  • Resonant LLC topology delivers clean, stable power
  • 600 W ATX output handles demanding components

600W ATX Power Supply

The KHACHIMO HK700-12UEPA is a 600W ATX unit built for modern desktop systems and workstations. It targets builders who need efficient power delivery with support for Modern Standby sleep states. The design uses resonant LLC topology with DC-to-DC conversion to maintain stable voltage across all rails.

Upgrade from Lower Efficiency Units

This supply replaces older bronze or unrated units that waste energy and generate excess heat. The 80 PLUS Gold certification ensures high efficiency at typical loads, lowering electricity costs and reducing thermal output. The jump is worth it when building a system that spends long periods in idle or sleep modes.

Sustained Load Behaviour

Under continuous demand the resonant LLC topology delivers clean, consistent power while suppressing coil whine. The Zero RPM fan mode keeps the unit silent at low and medium loads, spinning up only when thermal thresholds require active cooling. This behaviour supports quieter operation during extended work sessions.

Highlights

  • Modern Standby support for faster wake times
  • 80 PLUS Gold efficiency reduces power draw and heat
  • Zero RPM fan mode keeps system silent at low load
  • Resonant LLC topology delivers clean, stable power
  • 600 W ATX output handles demanding components

Specifications

TypeATX

Questions about this item

What form factor does the HK700-12UEPA use and will it fit a standard ATX case?

The unit follows the ATX form factor, so it mounts in any standard ATX chassis using the usual four screw holes.

Which cables must be connected during installation and what is the common mistake?

Connect the 24-pin motherboard cable and both 8-pin CPU power cables; the frequent error is leaving the second 8-pin CPU connector unplugged on boards that require it.

What maintenance does the 600W supply need over its lifetime?

Periodically clear dust from the fan intake; the Zero RPM mode keeps the fan off at low load, reducing dust build-up and wear.

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