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Rectangular black metal ATX power supply unit with rear fan grille and modular cable sockets

KHACHIMO

KHACHIMO DPS-800AB-30B 800W power supply

SKU CH-P0WF-H4GYG

An 800W ATX power supply with 80 PLUS Gold efficiency, zero-RPM fan mode and LLC resonant topology for quiet, reliable server operation

  • TypeATX
  • Modern Standby support for near-instant wake times
  • 80 PLUS Gold efficiency lowers power draw and heat
  • Zero RPM fan mode stops the fan at low load
  • Resonant LLC topology with DC-to-DC conversion delivers clean, stable power
  • Compatible with ThinkServer RD530, RD630, 640 and SD220X4 systems

Server-grade 800W ATX power supply

The KHACHIMO DPS-800AB-30B is an 800W ATX switching power supply built for ThinkServer RD530, RD630 and 640 platforms. It delivers 80 PLUS Gold certified efficiency and supports Modern Standby for rapid wake-from-sleep transitions. The unit targets system integrators and IT departments maintaining compatible server chassis.

Standard ATX fit with proprietary server pinouts

Installation follows normal ATX dimensions, but the connector layout matches specific ThinkServer backplanes rather than generic desktop pinouts. Builders must verify that their chassis wiring harness aligns with the DPS-800AB-30B pin assignment before powering the system. Mismatched cables are the most common cause of no-post or unstable rail voltages.

Efficiency and topology limits at 800W

The resonant LLC topology with DC-to-DC conversion maintains tight regulation up to the rated 800W, yet the Gold rating does not guarantee peak efficiency at very light loads. Zero RPM fan mode operates only while thermal conditions allow; sustained heavy loads will spin the fan. Modern Standby benefits apply solely on platforms that implement the corresponding ACPI sleep states.

Points forts

  • Modern Standby support for near-instant wake times
  • 80 PLUS Gold efficiency lowers power draw and heat
  • Zero RPM fan mode stops the fan at low load
  • Resonant LLC topology with DC-to-DC conversion delivers clean, stable power
  • Compatible with ThinkServer RD530, RD630, 640 and SD220X4 systems

Caractéristiques

TypeATX

Questions sur cet article

How can I verify the PSU is operating correctly after installation?

The fan should stay off under light loads because of the Zero RPM mode, and the system should wake from sleep almost instantly thanks to Modern Standby support.

What ships with the unit and what must I source separately?

Only the DPS-800AB-30B power supply is included; a mains lead and any extra GPU or CPU cables required by your build must be obtained separately.

Which model suits a ThinkServer RD530, RD630, 640 or SD220X4?

The DPS-800AB-30B is specified for all four server families, so select this exact part number for any of those systems.

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