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Compact 1U 300W ATX PSU with PCIe 6+2 pin connector

KHACHIMO

KHACHIMO Small 1U 300W ATX Power Supply With PCIE 6+2Pin For YM-5301G

SKU CH-VXSF-Y1ZNS

Compact 1U ATX unit delivering 300 W with a PCIe 6+2-pin connector, 80 PLUS Gold efficiency, zero-RPM fan mode and LLC resonant topology for Modern Standby compatibility

  • TypeATX
  • Modern Standby compatibility for extremely fast wake-from-sleep times
  • 80 PLUS Gold certification delivers high efficiency and 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
  • 300 W ATX output with PCIe 6+2 pin connector supports the YM-5301G chassis

Compact 1U PSU for YM-5301G Chassis

This 300 W ATX unit is built specifically for the YM-5301G and YM-5301GA01R platforms. Its 1U form factor fits slim enclosures where standard height supplies cannot be installed. It includes a PCIe 6+2-pin connector so a discrete graphics card can be powered directly from the supply.

Practical limits of the ATX interface

The 300 W ceiling restricts the system to modest CPU and GPU combinations; high-end components will exceed the available power. ATX cabling lengths are set for typical 1U layouts, so non-standard chassis may need extensions. Modern Standby support works only with motherboards and operating systems that implement the same sleep states.

Installation notes and common issues

Mounting uses the standard four-screw pattern found on 1U bays, so no special brackets are required. The Zero RPM fan mode stays silent at low load but will spin up once power draw rises, which is normal behaviour. Coil whine is reduced by the resonant LLC topology, yet a small number of units may still emit faint noise in very quiet rooms.

Points forts

  • Modern Standby compatibility for extremely fast wake-from-sleep times
  • 80 PLUS Gold certification delivers high efficiency and 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
  • 300 W ATX output with PCIe 6+2 pin connector supports the YM-5301G chassis

Caractéristiques

TypeATX

Questions sur cet article

Is this 300 W unit the right capacity for a YM-5301G build?

The 300 W rating is designed for the YM-5301G chassis and includes a PCIe 6+2-pin connector for a graphics card, matching the platform's power needs.

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

It guarantees at least 80 % efficiency at typical loads, so the supply draws less wall power, runs cooler and keeps fan noise lower.

Does the 1U ATX form factor limit the PCIe connector or Modern Standby support?

The compact 1U frame still provides the PCIe 6+2-pin lead and full Modern Standby compatibility for fast wake-from-sleep.

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