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Rectangular black ATX power supply with 14-pin connector visible

KHACHIMO

KHACHIMO H81 Q87 14Pin 310W ATX Power Supply

SKU CH-V928-BQBY5

310 W ATX unit with 14-pin connector, 80 PLUS Gold efficiency, Modern Standby support and a Zero RPM fan mode for silent low-load operation

  • TypeATX
  • Modern Standby compatibility enables extremely fast wake-from-sleep times
  • 80 PLUS Gold certification delivers high efficiency for 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 with 14-pin connector fits H81 and Q87 platforms

ATX 310 W PSU for H81/Q87 builds

This KHACHIMO ATX power supply delivers 310 W through a 14-pin connector designed for H81 and Q87 platforms. It targets system integrators and DIY builders who need a compact, efficient unit for business-class desktops or small-form-factor refreshes. Modern Standby support allows near-instant wake from sleep. The 80 PLUS Gold rating confirms high efficiency across typical loads.

14-pin connector limits motherboard choice

The unit uses a proprietary 14-pin main power connector instead of the standard 24-pin ATX layout, so it only fits boards wired for that pin-out such as certain H81 and Q87 OEM designs. Maximum continuous output is 310 W, which restricts the GPU and CPU combinations the supply can sustain. Zero RPM fan mode stops the fan at low and medium loads, but the fan will spin under heavier draw. No other cable counts or connector types are specified in the data.

Verify 14-pin main power header and case clearance

Before ordering, confirm the motherboard has a 14-pin ATX power header matching the supply’s pin-out; standard 24-pin boards will not work. Check that the chassis can accommodate a standard ATX-depth PSU and that total system draw stays within the 310 W rating. Ensure the AC inlet and power switch orientation suit the case cut-out. No mounting screws or adapter cables are mentioned in the supplied facts.

Points forts

  • Modern Standby compatibility enables extremely fast wake-from-sleep times
  • 80 PLUS Gold certification delivers high efficiency for 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 with 14-pin connector fits H81 and Q87 platforms

Caractéristiques

TypeATX

Questions sur cet article

Should I choose the 310W or the 280W version listed in the title?

The 310W model provides more headroom for components and future upgrades, while the 280W unit suits lighter builds; pick based on your total system power draw.

What does the 80 PLUS Gold rating mean for daily use?

It guarantees high efficiency at typical loads, reducing electricity costs, heat output, and fan noise compared to lower-rated units.

How does the 14-pin connector affect compatibility with standard ATX boards?

This proprietary 14-pin design replaces the usual 24-pin and 4-pin plugs, so it only fits motherboards wired for that specific pin-out.

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