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

KHACHIMO

KHACHIMO Z440 525W power supply

SKU CH-QD32-7XD53

Delivers 525 W ATX power with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby support for quiet, low-consumption operation

  • TypeATX
  • Faster wake from sleep with Modern Standby support
  • Lower power draw and cooler running with 80 PLUS Gold efficiency
  • Silent operation at low loads thanks to Zero RPM fan mode
  • Clean, stable power delivery via resonant LLC and DC-to-DC topology
  • ATX form factor fits standard desktop builds

KHACHIMO Z440 525W ATX power supply

The KHACHIMO Z440 is a 525W ATX switching power supply built for desktop PCs that need efficient, quiet delivery. It carries 80 PLUS Gold certification and supports Modern Standby for rapid wake-from-sleep. The unit suits builders who want a single-rail design with DC-to-DC conversion and a zero-RPM fan mode for silent low-load operation.

Sustained-load efficiency and acoustics

Under continuous load the resonant LLC topology with DC-to-DC conversion maintains tight voltage regulation and reduces coil whine. The 80 PLUS Gold rating means high efficiency across the curve, so waste heat and fan speed stay lower during long sessions. Zero RPM mode keeps the fan off at low and medium loads, cutting noise further.

Installation notes and common issues

The PSU uses a standard ATX form factor and fits typical chassis mounting points. Builders must verify that their case and motherboard pin-outs match the unit's connector set, as part numbers such as 753084-001, 753084-002, 758466-001 and 809054-001 indicate specific OEM revisions. Cable routing space and connector reach can be tight in compact cases.

Helstu kostir

  • Faster wake from sleep with Modern Standby support
  • Lower power draw and cooler running with 80 PLUS Gold efficiency
  • Silent operation at low loads thanks to Zero RPM fan mode
  • Clean, stable power delivery via resonant LLC and DC-to-DC topology
  • ATX form factor fits standard desktop builds

Tæknilýsing

TypeATX

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How loud is the 525W KHACHIMO Z440 when the system runs all day?

At low and medium loads the Zero RPM Fan Mode stops the fan completely, giving near-silent operation. The 80 PLUS Gold efficiency keeps waste heat low, so the fan stays off longer even during extended use.

What motherboard connector does the Z440 525W require to power on?

It uses a standard ATX 24-pin main connector plus the matching CPU power plug, so any motherboard with those sockets will work without extra adapters.

Will the KHACHIMO Z440 525W support Modern Standby on an older board that lacks it?

The supply is Modern Standby compatible, but the motherboard and firmware must also support the feature; on hardware without Modern Standby the PSU simply operates as a regular ATX unit.

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