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Rectangular black ATX power supply unit with cooling fan visible

KHACHIMO

KHACHIMO 1000W Switching ATX Power Supply FSP500-80AGGBM(M) 80 PLUS Gold

SKU CH-J2N8-ZP448

An 80 PLUS Gold certified 1000 W ATX supply with zero-RPM fan mode and LLC resonant topology for silent, efficient power

  • Product typeATX
  • Modern Standby support enables rapid wake-from-sleep and better low-load efficiency
  • 80 PLUS Gold certification delivers high efficiency for lower power draw and cooler running
  • Zero RPM fan mode stops the fan at low and medium loads for near-silent operation
  • Resonant LLC topology with DC-to-DC conversion provides clean power and reduces coil whine
  • 1000W ATX output supplies ample power for demanding builds

1000W ATX Gold power supply for efficient builds

This 1000W ATX power supply carries 80 PLUS Gold certification for high-efficiency operation. It targets system builders who want lower power draw, reduced heat and quieter performance in a standard form factor. The unit uses resonant LLC topology with DC-to-DC conversion to deliver clean, consistent power across all rails. Modern Standby compatibility enables extremely fast wake-from-sleep times and improved low-load efficiency.

Zero RPM fan mode and resonant LLC topology

The bundled 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 reduces coil whine and supports more energy-efficient sleep states. These features change the acoustic profile and power quality without adding extra cables or software. The design focuses on hardware-level noise reduction and stability rather than bundled accessories.

Practical limits of ATX 80 PLUS Gold standard

The ATX form factor and 80 PLUS Gold rating set baseline efficiency and physical compatibility but do not guarantee specific cable lengths, connector counts or transient response figures. Builders needing specialised connectors or extreme overclocking headroom should verify the exact pinout and protection circuitry against their component list. The standard does not define maximum combined rail outputs or hold-up time beyond minimum certification requirements.

How it compares

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

Price $432.99
Pricier than about 87% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeATX

Questions about this item

Does the 1000W unit's fan require periodic cleaning or replacement?

The Zero RPM fan mode stops the fan at low and medium loads, reducing dust buildup and wear; cleaning with compressed air once a year is usually sufficient and the fan is a standard replaceable part if it ever fails.

What limits continuous output before protection triggers on the FSP500-80AGGBM(M)?

The 80 PLUS Gold certified platform delivers up to 500 W continuously; sustained loads above that will engage over-power protection and shut the unit down.

How loud and hot does the 1000W supply get when running all day?

At low and medium loads the fan stays off for near-silent operation; under heavier loads the Resonant LLC topology and Gold efficiency keep temperatures lower and fan noise minimal compared to less efficient designs.

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