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Rectangular black ATX power supply unit with 700W label

KHACHIMO

KHACHIMO R805 700W power supply

SKU CH-JEZT-6W7BR

An ATX power supply delivering 700 W with 80 PLUS Gold efficiency, Modern Standby support and a Zero RPM fan mode for silent low-load operation

  • Product typeATX
  • Faster wake-from-sleep with Modern Standby support
  • Lower electricity draw through 80 PLUS Gold efficiency
  • Silent low-load operation via Zero RPM fan mode
  • Cleaner power delivery using resonant LLC topology
  • ATX form factor fits standard desktop cases

700W ATX power supply for modern standby systems

The KHACHIMO R805 delivers 700 W of continuous power in a standard ATX form factor. It carries 80 PLUS Gold certification for high efficiency across typical loads. Modern Standby compatibility enables extremely fast wake-from-sleep times and improved low-load efficiency. Resonant LLC topology with DC-to-DC conversion provides clean, consistent power and reduces coil whine.

Upgrade from lower-efficiency or noisy units

Replacing an older supply that lacks Gold-rated efficiency or a zero-fan mode cuts idle power draw and eliminates fan noise at low and medium loads. The jump is worthwhile when building or refreshing a PC that spends long periods in sleep or light-use states. The DC-to-DC design also supports deeper, more energy-efficient sleep states than group-regulated designs.

Fits standard ATX builds with quiet priorities

The unit slots into any chassis that accepts a regular ATX power supply and leaves cable routing space for typical motherboard and GPU connectors. Zero RPM fan mode keeps the system near-silent during office work or media playback, freeing the builder from sizing case airflow around PSU noise. Modern Standby support ensures the platform can enter and exit low-power states without delay.

How it compares

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

Price $141.99
Typical for this category: the median of 10,869 items is $142.99.

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Specifications

Product
Product typeATX

Questions about this item

Will the ATX form factor fit my standard desktop case?

Yes, the R805 follows the ATX standard so it mounts in any case designed for ATX power supplies using the usual four rear screws.

Which cables do I connect first during installation, and what is the common mistake?

Seat the 24-pin motherboard and CPU power cables firmly before routing peripherals; the frequent error is leaving the 24-pin connector slightly loose, which prevents the system from posting.

How often should the 700 W unit's fan be cleaned to maintain the Zero RPM mode?

Use compressed air to clear dust from the fan grille every six to twelve months; a clogged grille stops the fan from spinning down at low loads.

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