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Compact 1U flex ATX power supply unit with silver metal casing and visible cooling fan

KHACHIMO

KHACHIMO 3Y FLEX SMALL 1U 20Pin+8Pin+4Pin 300W Power Supply YM-5301

SKU CH-J3TH-MJR8X

A 300W ATX power supply with 20+8+4 pin connectors, 80 PLUS Gold efficiency, Zero RPM fan mode, and Modern Standby support

  • TypeATX
  • Modern Standby support enables rapid wake-from-sleep and improved low-load efficiency
  • 80 PLUS Gold certification delivers high efficiency for lower power draw and cooler running
  • 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, stable power and reduces coil whine
  • Compact 1U form factor with 20-pin, 8-pin and 4-pin connectors fits space-constrained builds

Compact 300W ATX power supply

The KHACHIMO 3Y FLEX SMALL is a new 300W ATX power supply built for small-form-factor systems and low-power workstations. It targets builders who need reliable power in a 1U footprint without the bulk of standard units.

80 PLUS Gold efficiency with Modern Standby

The unit delivers 300W of continuous power and meets 80 PLUS Gold efficiency standards for lower consumption and cooler operation. Modern Standby compatibility ensures fast wake-from-sleep transitions and improved low-load efficiency for always-on workloads.

Resonant LLC topology and zero-RPM fan

Resonant LLC topology with DC-to-DC conversion provides clean power and reduces coil whine. The zero-RPM fan mode stops the fan entirely at low and medium loads for near-silent operation. Connectors include 20-pin, 8-pin and 4-pin headers for motherboard and CPU power.

商品特色

  • Modern Standby support enables rapid wake-from-sleep and improved low-load efficiency
  • 80 PLUS Gold certification delivers high efficiency for lower power draw and cooler running
  • 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, stable power and reduces coil whine
  • Compact 1U form factor with 20-pin, 8-pin and 4-pin connectors fits space-constrained builds

商品規格

TypeATX

商品問答

Will the 20Pin and 8Pin connectors on this 300W unit power an older motherboard that only has a 20Pin and 4Pin socket?

The 20Pin connector fits the main socket and the 8Pin can split to supply the 4Pin CPU power required by older boards.

How can I confirm the Zero RPM Fan Mode is active after installing the YM-5301?

Under light load the fan should stay still and the 80 PLUS Gold efficiency keeps temperatures low enough for silent operation.

Does the box include cables for the 20Pin, 8Pin and 4Pin outputs or must I buy them separately?

All fixed cables for the 20Pin, 8Pin and 4Pin connectors are attached to the unit; no extra cables are required.

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