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Rectangular black ATX power supply unit with 8-pin connector visible

KHACHIMO

KHACHIMO 3620 3670 3967 3980 3020 7020 9020 8Pin 500W Power Supply LX500EM-01 H500EGM-00

SKU CH-VXKW-9SD15

An ATX power supply delivering 500W with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby compatibility for compatible Dell OptiPlex systems

  • TypeATX
  • Fast 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 plus DC-to-DC delivers clean stable power
  • ATX 500 W unit fits Dell 3620 3670 3967 3980 3020 7020 9020

500 W ATX power supply

This 500 W ATX unit delivers reliable power for desktop builds that need Gold-class efficiency. It fits standard chassis layouts and supports modern sleep states for quick resume.

Build quality and connectors

Gold certification and resonant LLC topology with DC-to-DC conversion provide clean output and reduced coil whine. The fan stops completely at low and medium loads for silent running.

Practical limits of ATX Gold

Efficiency drops outside the certified load range, so very light or sustained peak loads run hotter. Builders needing more than 500 W or additional PCIe connectors must choose a higher-rated unit.

Highlights

  • Fast 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 plus DC-to-DC delivers clean stable power
  • ATX 500 W unit fits Dell 3620 3670 3967 3980 3020 7020 9020

Specifications

TypeATX

Questions about this item

Does the 500W ATX unit support Modern Standby for fast wake times?

Yes, it is Modern Standby compatible, enabling extremely fast wake-from-sleep and improved low-load efficiency.

What case clearance does the ATX form factor require for this PSU?

It fits standard ATX bays; verify your chassis has the usual depth and mounting-hole pattern for ATX power supplies.

How do I enable the Zero RPM fan mode on this supply?

The fan stops automatically at low and medium loads; no user setting is needed — just ensure the motherboard fan header is not overriding the PSU's own control.

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