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Rectangular ATX power supply unit with metal casing and cooling fan visible

KHACHIMO

KHACHIMO 390 790 990 7010 9010 Power Supply

SKU CH-57AN-42VYP

An ATX power supply carrying part numbers 390 790 990 7010 9010 with 80 PLUS Gold efficiency, Modern Standby support and Zero RPM fan mode

  • TypeATX
  • Fast wake-from-sleep with Modern Standby support
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Zero RPM fan mode stops the fan at low load
  • Resonant LLC plus DC-to-DC delivers clean, stable power
  • ATX form factor fits standard desktop cases

KHACHIMO ATX Power Supply

The KHACHIMO ATX power supply delivers 80 PLUS Gold certified efficiency for desktop systems. It supports Modern Standby for extremely fast wake-from-sleep times and improved low-load efficiency. The unit uses Resonant LLC topology with DC-to-DC conversion to provide clean, consistent power and reduce coil whine. It fits standard ATX chassis configurations.

Installation and Common Issues

Installation follows standard ATX mounting and cabling procedures inside a compatible case. The Zero RPM fan mode stops the cooling fan entirely at low and medium loads for near-silent operation. Builders should verify that their case provides sufficient airflow when the fan is inactive. Cable routing must avoid blocking the fan intake or exhaust vents.

Efficiency and Interface Limits

The 80 PLUS Gold rating guarantees high efficiency at typical loads, lowering power consumption and heat output. Modern Standby compatibility enables deeper sleep states but requires a supporting motherboard and operating system. The ATX form factor limits use to standard desktop enclosures and excludes small form factor or proprietary systems. Resonant LLC topology improves transient response within the ATX specification.

Highlights

  • Fast wake-from-sleep with Modern Standby support
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Zero RPM fan mode stops the fan at low load
  • Resonant LLC plus DC-to-DC delivers clean, stable power
  • ATX form factor fits standard desktop cases

Specifications

TypeATX

Questions about this item

How can I confirm the 80 PLUS Gold efficiency is active after installation?

The PSU will run cooler and draw less power from the wall at typical loads; you can verify the 80 PLUS Gold rating on the certification body's public list using the KHACHIMO model details.

What cables come with the L240AS-00 unit and what must I source separately?

The box includes the ATX power supply, a standard AC power cord, mounting screws, and a user manual; all modular cables for motherboard, GPU, and drives are pre-attached or in the pack, so no extra cables are needed for a typical build.

Which of the listed model numbers — 390, 790, 990, 7010, 9010 — should I choose for a modern standby build?

All five model numbers refer to the same 80 PLUS Gold ATX platform with Modern Standby support, Zero RPM fan mode, and LLC resonant topology; pick the part number that matches your region or retailer listing.

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