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Silver ATX power supply unit with fan grille and cable bundle

KHACHIMO

KHACHIMO J2320 275W power supply for ENP-3927B-GJ50 V2

SKU CH-QYJ4-EW5SG

A 275 W ATX power supply with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby support for the ENP-3927B-GJ50 V2 system

  • TypeATX
  • Fast wake-from-sleep with Modern Standby support
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Fan stops completely at low load for silent running
  • Resonant LLC and DC-to-DC design delivers stable power
  • 275 W ATX unit built for ENP-3927B-GJ50 V2

Compatible Replacement PSU

The KHACHIMO J2320 is a 275W ATX power supply built specifically for the ENP-3927B-GJ50 V2 chassis. It delivers the exact connector layout and form factor that the original unit requires, so system integrators and owners of that platform can swap the power supply without adapter cables or case modifications.

Build Integration

The unit fits the host enclosure's ATX cavity and connects directly to the motherboard and peripherals inside the ENP-3927B-GJ50 V2. Its Zero RPM fan mode stops the fan at low and medium loads, reducing acoustic output during idle or light workloads. Modern Standby support allows the system to wake from sleep almost instantly while maintaining efficient low-power states.

Upgrade Context

This supply replaces a failed or ageing OEM unit in the same chassis, restoring reliable power delivery with 80 PLUS Gold efficiency and resonant LLC topology with DC-to-DC conversion for cleaner voltage regulation. It is not suited for builds that demand higher wattage, additional PCIe power connectors, or a standard ATX footprint in a different case.

Highlights

  • Fast wake-from-sleep with Modern Standby support
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Fan stops completely at low load for silent running
  • Resonant LLC and DC-to-DC design delivers stable power
  • 275 W ATX unit built for ENP-3927B-GJ50 V2

Specifications

TypeATX

Questions about this item

How much continuous power can the KHACHIMO J2320 deliver before hitting its limit?

The unit is rated for 275 W of continuous output, so sustained loads above that level will exceed its design limit.

What noise and heat behaviour should I expect when the PSU runs all day?

It carries 80 PLUS Gold certification for high efficiency and cooler operation, plus a Zero RPM fan mode that stops the fan entirely at low and medium loads for near-silent running.

Which specific chassis or system must I already own for this power supply to fit and work?

It is built for the ENP-3927B-GJ50 V2 (also listed as ENP-3927B) and uses a standard ATX form factor, so that exact platform is required.

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