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

KHACHIMO

KHACHIMO 550W ATX Power Supply 80 PLUS Gold

SKU CH-PW7C-NCC6S

An 80 PLUS Gold ATX unit delivering 550W with Modern Standby support, a Zero RPM fan mode for silent low-load operation, and resonant LLC plus DC-to-DC topology for clean power and reduced coil whine

  • Product typeATX
  • Faster wake-from-sleep with Modern Standby support
  • 80 PLUS Gold efficiency cuts power use and heat
  • Fan stays off at low loads for silent running
  • LLC resonant plus DC-to-DC topology delivers clean, stable power
  • 550 W ATX unit built for modern sleep states

550W ATX Power Supply for Modern PCs

This KHACHIMO unit delivers 550 watts of continuous power in a standard ATX form factor. It is designed for desktop builders who need a reliable, gold-rated supply for a mid-range system. The new condition ensures full component life from first power-on.

80 PLUS Gold efficiency cuts heat and noise

The 80 PLUS Gold certification guarantees high efficiency across typical loads, lowering electricity draw and reducing waste heat. Resonant LLC topology with DC-to-DC conversion provides clean, stable power rails and minimises coil whine for quieter operation.

Modern Standby and Zero RPM simplify setup

Modern Standby compatibility enables extremely fast wake-from-sleep times and better low-load efficiency for supported motherboards. Zero RPM fan mode stops the fan entirely at low and medium loads for near-silent running. Ensure the case has standard ATX clearance and that the motherboard supports the required sleep states.

How it compares

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

Price $194.99
Pricier than about 62% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeATX

Questions about this item

What does the 550 W rating mean for my build?

It is the maximum continuous power the unit can deliver across all rails combined when installed in a standard ATX chassis.

What does 80 PLUS Gold certification actually cap in daily use?

It certifies the supply meets defined efficiency targets at three load points, reducing waste heat and electricity draw under typical workloads.

What physical space and mounting does this ATX supply need?

It fits a standard ATX power-supply bay with four rear mounting screws and requires clearance for the rear fan exhaust.

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