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Black rectangular ATX power supply unit with cooling fan visible

KHACHIMO

KHACHIMO 800W 500W power supply MC800B4-3-4R1-02

SKU CH-S72P-64R9B

An ATX power supply rated at 800W peak and 500W continuous, featuring 80 PLUS Gold efficiency, Modern Standby support, zero-RPM fan mode and resonant LLC with DC-to-DC conversion

  • TypeATX
  • Fast wake from sleep with Modern Standby support
  • High efficiency 80 PLUS Gold cuts power use and heat
  • Silent Zero RPM fan mode at low and medium loads
  • Resonant LLC with DC-to-DC delivers clean power and less coil whine
  • ATX form factor fits standard desktop builds

800 W ATX Power Supply for Modern Standby Systems

This 800 W ATX unit delivers 80 PLUS Gold efficiency and supports Modern Standby for rapid wake-from-sleep. Resonant LLC topology with DC-to-DC conversion provides clean power and enables low-power sleep states. A zero RPM fan mode stops the fan at low and medium loads for silent operation. It suits builders who want efficient, quiet power for current platforms.

Fits Standard ATX Builds with Modern Sleep Support

The supply mounts in any ATX chassis and connects to motherboards and components with standard cables. Modern Standby compatibility frees the system to enter deeper sleep states and resume instantly. Gold-rated efficiency reduces waste heat, easing the burden on case airflow. Zero RPM mode eliminates fan noise during light desktop work or media playback.

Replaces Older Units Lacking Modern Standby

This unit upgrades from power supplies that cannot meet Modern Standby timing or 80 PLUS Gold levels. The jump is worthwhile when a build requires faster wake times, lower idle draw, or quieter low-load operation. It is not for systems needing more than 800 W or for compact form factors that require SFX dimensions.

Puntos fuertes

  • Fast wake from sleep with Modern Standby support
  • High efficiency 80 PLUS Gold cuts power use and heat
  • Silent Zero RPM fan mode at low and medium loads
  • Resonant LLC with DC-to-DC delivers clean power and less coil whine
  • ATX form factor fits standard desktop builds

Especificaciones

TypeATX

Preguntas sobre este artículo

How much continuous power can the 800 W unit deliver before hitting its limit?

The unit is rated for 800 W continuous output, so sustained loads up to that level stay within specification.

Does the fan stay off or run quietly during all-day operation at typical loads?

Zero RPM mode stops the fan completely at low and medium loads, and the 80 PLUS Gold design keeps waste heat and noise low when the fan does spin.

What motherboard power connectors must my build already have for this ATX supply to work?

A standard 24-pin ATX connector plus the required 8-pin or 4+4-pin CPU power header are needed; the PSU includes matching cables.

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