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Silver ATX power supply unit with 450W label and 6-pin connector visible

KHACHIMO

KHACHIMO 280G2 400G4 m710e 720e 510S M420 6Pin 450W power supply

SKU CH-P4R7-DHDZG

An ATX 450 W power supply compatible with listed desktops, 80 PLUS Gold certified with Zero RPM fan mode and Modern Standby support

  • TypeATX
  • Modern Standby support enables faster wake-from-sleep times
  • 80 PLUS Gold certification delivers high efficiency for lower power draw and cooler operation
  • Zero RPM fan mode stops the fan at low loads for near-silent running
  • Resonant LLC topology with DC-to-DC conversion provides clean, consistent power and reduces coil whine
  • Compatible with 280G2 400G4 m710e 720e 510S M420 systems using a 6-pin connector

Compatible Desktop Power Supply

The KHACHIMO 450W ATX unit fits the listed Dell and Lenovo small-form-factor desktops including 280G2, 400G4, m710e, 720e, 510S and M420 models. It replaces multiple original part numbers such as PA-1450-1, PCH018, PA-1181-7, PCK027 and PA-1261-7. Buyers needing a non-standard proprietary pin-out should verify their chassis wiring before ordering.

Build Quality and Connectors

An 80 PLUS Gold rating means higher efficiency at typical loads, reducing waste heat and allowing the fan to stay off longer. Resonant LLC topology with DC-to-DC conversion delivers stable voltages and limits coil whine. The included 6-pin connector matches the motherboard power header on the supported platforms.

Modern Standby and Accessories

Modern Standby compatibility enables extremely fast wake-from-sleep and better low-load efficiency for always-connected workflows. Zero RPM fan mode keeps the system near-silent during light office tasks or media playback. No extra cables or software utilities are bundled with the unit.

Highlights

  • Modern Standby support enables faster wake-from-sleep times
  • 80 PLUS Gold certification delivers high efficiency for lower power draw and cooler operation
  • Zero RPM fan mode stops the fan at low loads for near-silent running
  • Resonant LLC topology with DC-to-DC conversion provides clean, consistent power and reduces coil whine
  • Compatible with 280G2 400G4 m710e 720e 510S M420 systems using a 6-pin connector

Specifications

TypeATX

Questions about this item

Does the 450W ATX unit meet the 80 PLUS Gold efficiency standard?

Yes, the 450W supply carries 80 PLUS Gold certification for high efficiency, lower consumption and cooler operation.

What chassis clearance is needed for this ATX power supply?

Standard ATX dimensions apply; verify your case supports a regular ATX PSU and has room for the 6-pin connector routing.

How do I enable the Zero RPM fan mode on this unit?

The fan stops automatically at low and medium loads; no software toggle is required, just ensure the PSU is not overloaded.

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