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

KHACHIMO

KHACHIMO S7700 S7706 S9306 802.5W ATX power supply

SKU CH-T7DG-2Q3Y3

ATX power supply delivering 802.5W with 80 PLUS Gold efficiency, Zero RPM fan mode and Modern Standby support

  • Product typeATX
  • Modern Standby support for extremely fast wake-from-sleep times
  • 80 PLUS Gold certification delivers high efficiency and lower power consumption
  • Zero RPM fan mode stops the fan at low and medium loads for near-silent operation
  • Resonant LLC topology with DC-to-DC conversion provides clean, consistent power and reduces coil whine
  • ATX form factor fits standard desktop builds

802.5W ATX power supply for modern PCs

The KHACHIMO S7700 S7706 S9306 delivers 802.5W of continuous power through an ATX form factor. It is built for desktop builders who need reliable energy delivery for high-performance components. The unit carries 80 PLUS Gold certification for efficient operation across typical load ranges.

Gold efficiency with LLC resonant topology

Resonant LLC topology combined with DC-to-DC conversion provides clean, consistent power and reduces coil whine. Modern Standby compatibility enables extremely fast wake-from-sleep times and better low-load efficiency. The ATX design fits standard chassis layouts without requiring proprietary mounting brackets.

Zero RPM fan mode for silent low-load operation

At low and medium loads the cooling fan switches off entirely for near-silent operation. 80 PLUS Gold efficiency lowers power consumption, resulting in less waste heat and cooler internal temperatures. The topology supports energy efficient sleep states for reduced draw during idle periods.

How it compares

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

Price $312.99
Pricier than about 79% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeATX

Questions about this item

What ATX standard does the 802.5W power supply follow?

The unit is an ATX-type power supply rated at 802.5W and certified 80 PLUS Gold for high-efficiency operation.

What physical mounting does the S7700 S7706 S9306 require?

It uses the standard ATX form factor, so it fits any case with an ATX PSU cut-out and four rear mounting screws.

How do I enable the zero-RPM fan mode on this PSU?

The fan stops automatically at low and medium loads; no manual switch or software setting is needed.

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