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Black ATX power supply unit with model label PS-3651-1L-LF

KHACHIMO

KHACHIMO Workstation P500 P700 P710 650W Power Supply

SKU CH-V6Q1-5V5AE

Delivers 650 W ATX power with 80 PLUS Gold efficiency, Modern Standby support, Zero RPM fan silence and resonant LLC DC-to-DC topology for clean, quiet operation

  • TypeATX
  • Faster wake-from-sleep with Modern Standby support
  • Lower electricity draw via 80 PLUS Gold efficiency
  • Silent low-load operation with Zero RPM fan mode
  • Cleaner power delivery through resonant LLC and DC-to-DC
  • Compatible with P500, P700 and P710 workstations

Workstation Compatibility

This unit is built for KHACHIMO P500, P700 and P710 workstations and delivers 650 W through a standard ATX form factor. It suits IT departments and power users who need a direct replacement that supports modern standby sleep states.

Thermals, Noise and Efficiency

The 80 PLUS Gold rating keeps waste heat and power draw low during everyday workloads. A zero-RPM mode stops the fan completely at light and medium loads, while resonant LLC topology with DC-to-DC conversion suppresses coil whine for quieter operation.

Sustained Load Behaviour

Under continuous demand the resonant LLC design maintains clean, consistent voltage regulation without the instability seen in short bursts. Modern standby compatibility ensures the supply enters and exits low-power states efficiently during prolonged idle periods.

Highlights

  • Faster wake-from-sleep with Modern Standby support
  • Lower electricity draw via 80 PLUS Gold efficiency
  • Silent low-load operation with Zero RPM fan mode
  • Cleaner power delivery through resonant LLC and DC-to-DC
  • Compatible with P500, P700 and P710 workstations

Specifications

TypeATX

Questions about this item

How do I install the KHACHIMO 650W ATX power supply in a workstation and which step is most often missed?

Mount the unit with the four case screws, connect the 24-pin ATX and CPU power cables, then enable Modern Standby in the BIOS or the fast wake-from-sleep feature will not work.

What maintenance will the KHACHIMO 650W unit need and when should the fan be checked?

The Zero RPM fan stops at low and medium loads, so dust builds up unseen; clean the intake grill once a year and verify the fan spins freely when the system is under heavy load.

Which limit appears first during sustained full-load use of this 650W Gold supply?

The 80 PLUS Gold efficiency target is guaranteed up to the rated 650W; beyond that output the protection circuits shut the unit down to prevent overheating.

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