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Compact silver 1U power supply with fan grille

KHACHIMO

KHACHIMO FSP300-60WS1 300W 80 PLUS Gold Power Supply

SKU CH-13SC-77859

An 80 PLUS Gold ATX power supply with 300 W output, Zero RPM fan mode and Modern Standby support for silent, efficient small-form-factor builds

  • Product typeATX
  • Modern Standby compatibility enables rapid wake-from-sleep transitions and improved low-load efficiency
  • 80 PLUS Gold certification delivers high-efficiency operation reducing power draw and heat output
  • Zero RPM fan mode stops the fan at low and medium loads for near-silent running
  • Resonant LLC topology with DC-to-DC conversion provides clean power and reduces coil whine
  • 300W ATX power supply designed for compact 1U and ITX form-factor systems

Compact 300W ATX power supply

The KHACHIMO FSP300-60WS1 is a 300 watt ATX power supply designed for small-form-factor and 1U systems such as POS terminals or thin clients. It delivers 80 PLUS Gold certified efficiency in a footprint that fits space-constrained chassis where full-size units cannot be installed.

Upgrade from lower-efficiency or noisy units

Replacing an older bronze or unrated supply with this Gold-rated model cuts waste heat and reduces electricity draw, especially valuable in always-on deployments. The jump is worth it when the build demands modern standby support and a fan that can stop completely at low load.

Sustained-load behaviour

Resonant LLC topology with DC-to-DC conversion keeps voltage regulation tight during continuous operation, while the zero-RPM fan mode stays inactive until thermal thresholds require airflow. This combination limits coil whine and maintains stable output without ramping fan noise during extended workloads.

How it compares

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

Price $118.99
Cheaper than about 59% of the 10,869 comparable items (median $142.99).

New to this? Buying PC parts with Monero — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Product typeATX

Questions about this item

Does the FSP300-60WS1 fit a standard ATX mounting pattern?

Yes, the unit is built to the ATX form factor so it mounts in any case with standard ATX screw holes and cut-out.

What is the installation step that is most often missed?

Connecting the 4-pin or 8-pin CPU power cable near the socket; the system will not post without it.

How often should the fan be cleaned to keep the Zero RPM mode working?

Blow dust from the fan intake every six to twelve months; a clogged grille prevents the fan from stopping at low load.

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