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Rectangular black ATX power supply unit with cooling fan and cable bundle

KHACHIMO

KHACHIMO 310W ATX power supply 80 PLUS Gold 10Pin

SKU CH-VKJ3-XN3ZM

A 310 W ATX power supply with 80 PLUS Gold efficiency, zero-RPM fan mode and resonant LLC topology for quiet, efficient operation

  • Product typeATX
  • 80 PLUS Gold certification cuts power draw and heat
  • Zero RPM fan mode stops the fan at low loads for silent running
  • Resonant LLC topology with DC-to-DC conversion delivers clean power and reduces coil whine
  • Modern Standby compatibility enables faster wake-from-sleep and better low-load efficiency
  • 10-pin ATX connector fits compatible small-form-factor systems

KHACHIMO 310W ATX Power Supply

This new KHACHIMO unit is a 310W ATX power supply certified 80 PLUS Gold. It uses resonant LLC topology with DC-to-DC conversion to deliver clean, consistent power while reducing coil whine. The design supports Modern Standby for extremely fast wake-from-sleep times and better low-load efficiency. A zero RPM fan mode stops the cooling fan entirely at low and medium loads for near-silent operation.

Suits efficient low-power builds.

This supply suits builders assembling compact or office PCs that stay within a 310W power budget and value quiet, efficient operation. It fits ATX cases and supports modern sleep states. Buyers who need more power for discrete graphics cards, multiple drives or high-core-count processors should look at something else because the 310W rating limits total system draw.

10-pin connector defines compatibility

The single specification that decides fitment is the 10-pin main power connector identified in the supplier title as PA-3311-1 and related part numbers. This proprietary pin-out replaces the standard 24-pin ATX connector, so the unit only works with motherboards and chassis designed for that exact 10-pin interface. Verify the motherboard header matches before purchase.

How it compares

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

Price $71.99
Cheaper than about 78% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeATX

Questions about this item

What does the 310 W rating mean for a real build?

The 310 W continuous rating means the unit can sustain that total output across all rails inside a working PC, so it suits compact office or home systems with modest graphics.

What does the 10-pin connector and ATX type tell me about compatibility?

The 10-pin main connector is a proprietary Dell/OEM design, not the standard 24-pin ATX, so it only fits the specific Dell OptiPlex or Precision models listed in the supplier title.

What physical space and mounting does the PSU need?

It follows the ATX form factor and uses the standard four-screw rear mounting pattern, so it fits any case with an ATX PSU bay.

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