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Rectangular black ATX power supply unit with cooling fan and cable bundle

KHACHIMO

KHACHIMO 700W ATX Power Supply U1A-A10700-DR

SKU CH-EBRT-GSPHK

An ATX power supply delivering 700 W with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby compatibility for low-load silence and fast wake times

  • Product typeATX
  • Modern Standby support enables extremely fast wake-from-sleep times
  • 80 PLUS Gold certification delivers high efficiency for lower power consumption
  • 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, consistent power
  • 700 W ATX output powers demanding system builds

700W ATX Power Supply for Modern Standby Builds

The KHACHIMO 700W ATX unit delivers 80 PLUS Gold certified efficiency for lower power draw and reduced heat output. Its resonant LLC topology with DC-to-DC conversion ensures clean, stable voltage regulation across all rails. Modern Standby compatibility enables extremely fast wake-from-sleep transitions and improved low-load efficiency. This unit suits system builders who prioritise quiet, efficient power delivery for contemporary desktop platforms.

Upgrade from Noisy or Inefficient Older Units

Replacing a power supply lacking 80 PLUS Gold certification cuts wasted energy and lowers operating temperatures under typical loads. The Zero RPM fan mode eliminates acoustic noise at low and medium loads where older units often spin constantly. Resonant LLC topology reduces coil whine, a common irritant in budget designs. The jump is worthwhile when building or refreshing a system that spends long periods idle or in sleep states.

Fits Standard ATX Layouts with Modern Sleep Support

The ATX form factor slots into mainstream chassis designs without proprietary mounting requirements. Modern Standby support frees the platform to enter deeper, more efficient sleep states while maintaining network connectivity. DC-to-DC conversion simplifies minor rail regulation, freeing internal headroom for transient loads. Builders needing legacy connector counts beyond the spec or multi-GPU auxiliary power should verify compatibility before purchase.

How it compares

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

Price $456.99
Pricier than about 88% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeATX

Questions about this item

What form factor and wattage does this PSU use for case compatibility?

The unit follows the ATX form factor and delivers 700 W, so it fits standard ATX cases and provides 700 W of continuous power.

Which cables must be connected during installation, and what is the common oversight?

Connect the 24-pin ATX motherboard cable, the 8-pin (4+4) CPU cable, and any required PCIe cables for your graphics card; the step often missed is seating the 8-pin CPU connector fully, which prevents the system from posting.

How should the fan be maintained, and when might the unit need replacement?

Use compressed air to clear dust from the fan grill every few months; the Zero RPM mode reduces bearing wear, but plan to replace the supply if coil whine appears or efficiency drops below the 80 PLUS Gold rating after several years.

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