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Black rectangular ATX power supply unit with gold certification badge and cooling fan visible

KHACHIMO

KHACHIMO PSR650-D 650W ATX 80 PLUS Gold power supply

SKU CH-P7KM-NE5P5

An ATX power supply delivering 650 W with 80 PLUS Gold efficiency, zero-RPM fan mode and LLC resonant topology for clean, quiet power

  • Product typeATX
  • Faster wake-from-sleep with Modern Standby support
  • 80 PLUS Gold efficiency reduces power draw and heat
  • Zero RPM fan mode stops the fan at low loads
  • LLC resonant topology with DC-to-DC conversion delivers clean power
  • Cooler, quieter operation from high-efficiency design

KHACHIMO PSR650-D 650W ATX 80 PLUS Gold

This 650 watt ATX power supply carries 80 PLUS Gold certification for high efficiency and lower running costs. It suits builders who need reliable power for a mid-range system and value quiet operation. The unit supports Modern Standby for extremely fast wake-from-sleep times and improved low-load efficiency. Resonant LLC topology with DC-to-DC conversion delivers clean, consistent power and reduces coil whine.

What to verify before ordering

Confirm your case accepts a standard ATX form-factor power supply and that the total system draw fits within the 650 watt rating. Check that your motherboard and graphics card power connectors match the cables provided with this unit. Ensure the Modern Standby feature is supported by your motherboard and operating system to benefit from the fast wake capability. Buyers who need higher wattage for multi-GPU setups or extreme overclocking should look elsewhere.

Behaviour under sustained load

The 80 PLUS Gold rating means efficiency stays high during continuous operation, keeping heat output and fan noise lower than less efficient units. Zero RPM fan mode keeps the fan off at low and medium loads, so the system remains near-silent during typical workloads. Resonant LLC topology with DC-to-DC conversion maintains stable voltage regulation and reduces coil whine even when the unit runs for long periods. The design enables efficient sleep states without sacrificing output quality.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $663.99
Pricier than about 90% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeATX

Questions about this item

Does the PSR650-D come with all cables needed for a typical ATX build or must any be purchased separately?

The unit ships with the standard ATX connector set required for a typical build; no extra cables are mandatory for normal installation.

Is there more than one capacity or version of the PSR650-D to choose between?

Only the 650 W model is offered, so there is no alternative capacity or version to select.

What does the 80 PLUS Gold rating mean for daily power draw and heat inside the case?

It guarantees at least 80 % efficiency at typical loads, so less electricity is wasted as heat and the system runs cooler and quieter.

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