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Rectangular ATX power supply unit with matte black finish and 80 PLUS Gold badge

KHACHIMO

KHACHIMO 530W ATX Power Supply YM-2531B 80 PLUS Gold

SKU CH-R2ZY-S7ZAA

ATX power supply delivering 530W with 80 PLUS Gold efficiency, zero-RPM fan mode for silent low-load operation, and LLC resonant topology with DC-to-DC conversion for clean power

  • Product typeATX
  • Faster wake-from-sleep with Modern Standby support
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Fan stops at low loads for silent running
  • Resonant LLC with DC-to-DC gives clean, stable power
  • 530 W ATX unit built for modern sleep states

530W ATX Power Supply for Modern Standby Builds

This KHACHIMO unit delivers 530W through an ATX form factor and carries 80 PLUS Gold certification for high efficiency. The resonant LLC topology with DC-to-DC conversion provides clean, consistent power and supports modern energy-efficient sleep states. It suits system builders who want lower power consumption, reduced noise and cooler temperatures in a standard desktop chassis.

Practical Limits of the ATX Standard

The ATX form factor fits most mainstream cases, but physical clearance and cable routing space vary by chassis design. The 530W rated output sets the maximum combined load across all rails, so configurations with multiple high-end graphics cards or heavily overclocked CPUs may exceed this capacity. The unit enables Modern Standby fast wake times, yet actual wake speed also depends on motherboard firmware and operating-system support.

Checks Before Ordering

Verify that your case accepts a standard ATX power supply and that the available cable connectors match your motherboard, CPU and graphics-card requirements. Confirm the total system power draw under full load stays within the 530W rating to avoid instability. Ensure the motherboard supports Modern Standby if you rely on the fast wake-from-sleep feature.

How it compares

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

Price $419.99
Pricier than about 86% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeATX

Questions about this item

Which 530W version should I choose?

The YM-2531B is the single 530W model offered in this series.

What does 80 PLUS Gold mean for my build?

The certification confirms high-efficiency operation that reduces power draw, heat and fan noise under typical loads.

How does the ATX form factor limit compatibility?

It fits standard ATX cases and motherboards, so it works with any build that uses the same mounting pattern and connector set.

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