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Rectangular ATX power supply unit with matte black finish and rear fan grille

KHACHIMO

KHACHIMO EVM-3603-10 ATX power supply

SKU CH-HMTM-760ZF

ATX power supply built for disk-array cabinets with 80 PLUS Gold efficiency, Zero RPM fan mode and Modern Standby support for quiet, low-power operation

  • TypeATX
  • Fast wake-from-sleep with Modern Standby compatibility
  • Lower power draw and cooler running via 80 PLUS Gold certification
  • Near-silent operation at low loads with Zero RPM fan mode
  • Clean, stable power delivery using resonant LLC topology with DC-to-DC conversion
  • Reduced coil whine for quieter performance through advanced topology design

Modern Standby ATX Power Supply

The KHACHIMO EVM-3603-10 is an ATX power supply built for systems that use Modern Standby sleep states. It targets builders who need fast wake times and high efficiency at low loads. The 80 PLUS Gold certification confirms reduced power draw and heat output during typical desktop use. This unit suits workstations and servers that stay idle for long periods but must resume instantly.

Resonant LLC Topology DC-to-DC Design

Resonant LLC topology with DC-to-DC conversion delivers clean power rails and supports deeper sleep states without instability. The design reduces coil whine, aiding quiet builds where acoustic profile matters. Standard ATX dimensions allow installation in compatible chassis without adapter brackets. Builders must provide their own cables and ensure the case accommodates the unit's depth and connector layout.

Zero RPM Fan Mode Sustained Load

Zero RPM mode keeps the fan stopped at low and medium loads, eliminating noise during background tasks and idle periods. Under sustained heavy load the fan engages to maintain safe temperatures without thermal throttling. The Gold-rated efficiency curve limits waste heat, helping the supply run cooler during extended operation. This behaviour suits environments where continuous uptime and low acoustic signature are both required.

Highlights

  • Fast wake-from-sleep with Modern Standby compatibility
  • Lower power draw and cooler running via 80 PLUS Gold certification
  • Near-silent operation at low loads with Zero RPM fan mode
  • Clean, stable power delivery using resonant LLC topology with DC-to-DC conversion
  • Reduced coil whine for quieter performance through advanced topology design

Specifications

TypeATX

Questions about this item

How does the 80 PLUS Gold efficiency affect heat and noise during all-day operation?

Gold certification means higher efficiency, so the unit draws less power from the wall, generates less heat and allows the fan to run slower or stay off longer under typical loads.

At what load does the Zero RPM fan mode stop and the fan start spinning?

The fan remains off at low and medium loads; it only spins up when the load rises above the medium threshold defined by the internal controller.

Does the ATX form factor and Modern Standby support require a specific motherboard header or BIOS setting to work?

It uses the standard 24-pin ATX connector and relies on the motherboard's Modern Standby implementation; no extra proprietary header is needed.

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