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Rectangular ATX power supply unit in matte black finish with cooling fan visible

KHACHIMO

KHACHIMO Z420 600W 80 PLUS Gold ATX power supply

SKU CH-4QS5-J034K

ATX power supply delivering 600 W with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby support

  • Product typeATX
  • Modern Standby support for faster wake times
  • 80 PLUS Gold certification cuts power draw and heat
  • Zero RPM fan mode keeps the system silent at low load
  • Resonant LLC topology with DC-to-DC conversion delivers clean, stable power
  • 600 W ATX output powers mid-range builds reliably

KHACHIMO Z420 600W ATX power supply

This new 600W unit delivers 80 PLUS Gold certified efficiency for standard ATX builds. It suits system integrators and upgraders who need reliable power without excess capacity. Modern Standby compatibility enables extremely fast wake-from-sleep times and better low-load efficiency. The resonant LLC topology with DC-to-DC conversion provides clean, consistent power and reduces coil whine for quieter operation.

Fits ATX chassis with dual 6-pin PCIe connectors

The supply requires an ATX-compatible case and motherboard with a 24-pin main connector. Two 6-pin PCIe connectors support mid-range graphics cards or other auxiliary devices. Resonant LLC topology with DC-to-DC conversion frees the build from group-regulated designs that can cause cross-load instability. Modern Standby support allows the platform to enter deeper sleep states without compatibility issues. Zero RPM fan mode eliminates fan noise at low and medium loads for a quieter environment.

Sustained 600W output with Gold efficiency

Under continuous load the unit maintains its rated 600W output while 80 PLUS Gold certification ensures high efficiency operation for lower power consumption, less noise, and cooler temperatures. The resonant LLC topology with DC-to-DC conversion delivers stable voltage regulation during extended sessions. Zero RPM fan mode remains inactive under sustained demand, allowing active cooling to manage thermals. Modern Standby compatibility preserves quick resume capability after prolonged idle periods.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $154.99
Typical for this category: the median of 10,869 items is $142.99.

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Specifications

Product
Product typeATX

Questions about this item

At what load does the Zero RPM fan mode stop and the fan start spinning?

The fan stays off at low and medium loads, then spins up when the load rises above that range.

How loud is the fan once it runs continuously under full load all day?

Resonant LLC topology with DC-to-DC conversion reduces coil whine, so the fan runs more quietly under sustained load.

Which motherboard power connectors must my board already have for this unit to work?

It uses a standard ATX connector layout, so any ATX-compatible motherboard will connect directly.

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