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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

  • Product 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.

How it compares

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

Price $1,532.99
Pricier than about 90% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product 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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