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Black rectangular ATX power supply unit with fan grille

KHACHIMO

KHACHIMO SPI700A8BB 700W ATX power supply

SKU CH-EXWA-YBFAJ

An ATX power supply delivering 700W with 80 PLUS Gold efficiency, Modern Standby support, Zero RPM fan mode and LLC resonant topology with DC-to-DC conversion for quiet, stable power

  • TypeATX
  • Faster wake-from-sleep with Modern Standby support
  • Lower electricity draw thanks to 80 PLUS Gold efficiency
  • Silent low-load operation via Zero RPM fan mode
  • Cleaner power delivery through resonant LLC and DC-to-DC topology
  • 700 W capacity for demanding ATX builds

700W ATX Power Supply

The KHACHIMO SPI700A8BB is a 700W ATX power supply built for desktop PCs that need reliable, efficient power delivery. It suits builders assembling new systems or upgrading older units where a Gold-rated design is preferred. The unit supports Modern Standby for fast wake-from-sleep behaviour in compatible platforms. It targets users who value quiet operation and lower running costs.

80 PLUS Gold Efficiency Limits

The supply carries 80 PLUS Gold certification, meaning it meets defined efficiency thresholds at typical loads, which reduces waste heat and helps keep system noise down. Efficiency still varies with load, so very light or very heavy draws will not reach the peak rated figures. The certification does not guarantee a specific noise level or temperature in every case, as chassis airflow and ambient conditions also matter. Buyers who need guaranteed output at extreme continuous loads should verify the unit's sustained ratings against their hardware.

Resonant LLC with DC-to-DC Topology

The resonant LLC topology combined with DC-to-DC conversion delivers tight voltage regulation and low ripple across the major rails, which is the key spec for stability with modern CPUs and GPUs. This design also reduces coil whine and supports deeper sleep states for Modern Standby compatibility. Systems that demand very high transient current spikes on a single rail should confirm the rail distribution matches their components. Builds requiring modular cabling or a different form factor will need another model.

Highlights

  • Faster wake-from-sleep with Modern Standby support
  • Lower electricity draw thanks to 80 PLUS Gold efficiency
  • Silent low-load operation via Zero RPM fan mode
  • Cleaner power delivery through resonant LLC and DC-to-DC topology
  • 700 W capacity for demanding ATX builds

Specifications

TypeATX

Questions about this item

Which 700W ATX version should I choose for a modern standby build?

This unit is 80 PLUS Gold certified and fully Modern Standby compatible for fast wake times and efficient low-load operation.

What does the 700W rating mean once installed in a PC?

It delivers up to 700 watts of continuous power with Gold-level efficiency, reducing heat and electricity draw under typical gaming or workstation loads.

What ATX standard does this PSU follow and what does it cap in practice?

It uses ATX resonant LLC topology with DC-to-DC conversion and a zero-RPM fan mode that stops the fan at low and medium loads for silent running.

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