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Silver rectangular ATX power supply unit with fan grille and cable bundle

KHACHIMO

KHACHIMO 280 G4 Pro 600 800G3 4Pin 310W Power Supply

SKU CH-W50Z-RP51G

ATX power supply delivering 310 W with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby support

  • Product typeATX
  • Modern Standby support 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 fits standard desktop chassis for straightforward installation

Compatible Replacement PSU

This 310W ATX unit fits HP 280 G4 Pro 600 and 800 G3 desktop chassis. It matches the D17-310P1A, L07305-002, D16-250P2A, D16-180P1B, PCH023, PCG007 and D16-180P1A part numbers. Builders repairing or upgrading those specific models can install it directly. It is not for systems that require a higher wattage rating or a different form factor.

4Pin Power Connector

The cable harness uses a 4-pin main power connector that mates with the motherboard socket on the listed HP platforms. Pin count and keying must match exactly or the board will not receive power. Verify the existing connector before ordering because other HP desktops use 6-pin or 24-pin layouts instead.

Gold Efficiency and Quiet Operation

80 PLUS Gold certification means the unit wastes less electricity and runs cooler than lower-rated supplies. Zero RPM fan mode stops the fan completely at low and medium loads for silent running. Resonant LLC topology with DC-to-DC conversion delivers stable voltage and reduces coil whine. Modern Standby support enables faster wake-from-sleep times.

How it compares

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

Price $96.99
Cheaper than about 69% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeATX

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