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Rectangular ATX power supply unit in matte black finish with cooling fan grille visible

KHACHIMO

KHACHIMO PVSE 400/24-40 ATX power supply

SKU CH-E8AS-XR2R5

ATX power module delivering 400 W at 24 V with 40 A output, 80 PLUS Gold efficiency, Modern Standby support, Zero RPM fan mode and resonant LLC topology with DC-to-DC conversion

  • TypeATX
  • Modern Standby support gives extremely fast wake-from-sleep and better low-load efficiency
  • 80 PLUS Gold certification delivers high efficiency for lower power consumption, less noise and cooler temperatures
  • Zero RPM fan mode stops the cooling fan at low and medium loads for near-silent operation
  • Resonant LLC topology with DC-to-DC conversion provides clean, consistent power and reduces coil whine
  • ATX form factor with 400 W output, 24 V rail and 40 A capacity fits standard builds

ATX power module for 24 V systems

The KHACHIMO PVSE 400/24-40 is an ATX form-factor power supply delivering 24 V output at 40 A. It is built for workstations or industrial PCs that require a single 24 V rail with high current capacity. The unit supports Modern Standby for rapid wake-from-sleep transitions and improved low-load efficiency.

Gold efficiency with silent low-load operation

80 PLUS Gold certification ensures high efficiency across typical loads, reducing power draw, heat output and acoustic noise. A Zero RPM fan mode stops the cooling fan completely at low and medium loads for near-silent running. Resonant LLC topology with DC-to-DC conversion further lowers coil whine and enables deeper sleep states.

Topology choices that cut noise and aid sleep states

The resonant LLC design with DC-to-DC conversion supplies clean, consistent power while minimising coil whine. This electrical architecture also allows the platform to enter more energy-efficient sleep states supported by Modern Standby. No extra cables or software utilities are mentioned in the supplied data.

Highlights

  • Modern Standby support gives extremely fast wake-from-sleep and better low-load efficiency
  • 80 PLUS Gold certification delivers high efficiency for lower power consumption, less noise and cooler temperatures
  • Zero RPM fan mode stops the cooling fan at low and medium loads for near-silent operation
  • Resonant LLC topology with DC-to-DC conversion provides clean, consistent power and reduces coil whine
  • ATX form factor with 400 W output, 24 V rail and 40 A capacity fits standard builds

Specifications

TypeATX

Questions about this item

How do I install the KHACHIMO PVSE 400/24-40 ATX power supply and which step is often missed?

Mount the unit in the ATX bay, connect the 24-pin motherboard cable and the 4+4 CPU cable, then verify the 80 PLUS Gold switch is set for your region — many builders forget the voltage selector.

What maintenance or replacement will the KHACHIMO PVSE 400/24-40 need later?

The Zero RPM fan mode keeps the fan off at low and medium loads, so dust buildup is minimal; plan to clean the intake grill once a year and expect the fan bearing to last the unit's life.

What limit appears first on the KHACHIMO PVSE 400/24-40 under sustained use?

Continuous output is rated at 400 W with 40 A on the 24 V rail; exceeding either figure triggers over-current protection and shuts the unit down.

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