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Rectangular ATX power supply unit with matte black metal casing and cooling fan grille

KHACHIMO

KHACHIMO 600 680 800 880 G2 6Pin 280W Power Supply

SKU CH-ZN80-BQW7H

An ATX power supply delivering up to 280 W with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby support

  • Product typeATX
  • Faster wake-from-sleep with Modern Standby support
  • Lower electricity draw thanks to 80 PLUS Gold efficiency
  • Near-silent operation via Zero RPM fan mode at low loads
  • Cleaner power delivery from Resonant LLC topology with DC-to-DC conversion
  • 280 W capacity for 600 680 800 880 G2 systems

ATX power supply with 280 W output

The KHACHIMO 600 680 800 880 G2 is an ATX power supply rated at 280 W. It includes a 6-pin connector and carries 80 PLUS Gold certification for high efficiency. The unit suits builders assembling compact or low-power desktop systems.

Modern Standby support and silent fan mode

Modern Standby compatibility enables extremely fast wake-from-sleep times and improved low-load efficiency. A Zero RPM fan mode stops the cooling fan entirely at low and medium loads for near-silent operation. Resonant LLC topology with DC-to-DC conversion delivers clean, consistent power and reduces coil whine.

Sustained efficiency and thermal behaviour

The Gold-rated design maintains high efficiency during continuous operation, lowering power consumption and keeping temperatures down. Quiet performance persists under sustained load because the fan remains off until higher thermal thresholds are reached. Stable DC-to-DC conversion supports reliable delivery across extended sessions.

How it compares

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

Price $49.99
Cheaper than about 91% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeATX

Questions about this item

Will the 280 W continuous rating hold during long sessions without throttling?

The unit is rated for 280 W continuous output, so sustained loads within that limit will not trigger thermal throttling.

How loud is the fan when the system idles or runs light loads all day?

Zero RPM Fan Mode stops the fan completely at low and medium loads, giving near-silent operation during idle and light work.

Does this ATX supply need any extra cables or adapters beyond what is in the box?

It uses standard ATX connectors; the 6-pin PCIe lead is included, so no additional cables are required for typical builds.

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