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

KHACHIMO

KHACHIMO 6Pin 500W Power Supply FSP500-20TGBAA/B

SKU CH-4WQM-MNP08

A 500W ATX power supply with 6-pin connector, model FSP500-20TGBAA/B, 80 PLUS Gold efficiency, Modern Standby support, zero-RPM fan mode and resonant LLC topology with DC-to-DC conversion

  • TypeATX
  • Modern Standby compatible for extremely fast wake-from-sleep times
  • 80 PLUS Gold certified for high efficiency and lower power consumption
  • Zero RPM fan mode stops the fan at low and medium loads
  • Resonant LLC topology with DC-to-DC conversion provides clean power
  • ATX type power supply rated at 500W

500W ATX power supply for modern standby systems

This 500 watt ATX unit targets desktop builders who want efficient, quiet power with fast sleep-state wake times. The 80 PLUS Gold rating ensures high efficiency across typical loads, reducing heat output and electricity draw. Resonant LLC topology with DC-to-DC conversion delivers stable voltage rails for reliable component operation.

500 watt capacity with Gold efficiency headroom

At 500 watts the supply handles mainstream processors and mid-range graphics cards while maintaining Gold-rated efficiency. The resonant LLC design keeps voltage regulation tight under load, and DC-to-DC conversion supports modern low-power sleep states. Peak demand beyond the rated output will trigger protection circuits, so systems with multiple high-end GPUs or extreme overclocks should look elsewhere.

Zero RPM fan mode and modern standby support

A semi-passive fan profile stops the fan completely at low and medium loads for silent operation during office work or media playback. Modern Standby compatibility enables near-instant wake from sleep, matching the behaviour of newer operating systems. ATX form factor fits standard chassis, while the included 6-pin connector supports common add-in cards without adapters.

Highlights

  • Modern Standby compatible for extremely fast wake-from-sleep times
  • 80 PLUS Gold certified for high efficiency and lower power consumption
  • Zero RPM fan mode stops the fan at low and medium loads
  • Resonant LLC topology with DC-to-DC conversion provides clean power
  • ATX type power supply rated at 500W

Specifications

TypeATX

Questions about this item

Will the FSP500-20TGBAA/B ATX 500W unit power my older motherboard that only has a 20-pin main connector?

The supply follows the ATX form factor and includes a 20+4 pin main connector, so it fits both 20-pin and 24-pin motherboards without an adapter.

How can I confirm the Zero RPM fan mode is active after installation?

Under light loads the fan stops completely; you can verify silence visually and by ear, and monitoring software will report 0 RPM when the mode engages.

Does the box include the 6-pin PCIe cable shown in the model name, or must I buy it separately?

The 6-pin PCIe connector is built into the native cable set, so no separate purchase is required for standard graphics-card power.

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