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Compact 1U silver ATX power supply unit with rear fan grille

KHACHIMO

KHACHIMO 1U 480W ATX Power Supply EFAP-48102

SKU CH-9F74-PSEP2

A 1U ATX unit delivering 480 W with 80 PLUS Gold efficiency, Modern Standby support, Zero RPM fan mode and resonant LLC topology with DC-to-DC conversion

  • TypeATX
  • Modern Standby compatible for extremely fast wake-from-sleep times
  • 80 PLUS Gold certified for high efficiency and lower power consumption
  • Zero RPM fan mode stops the fan at low and medium loads
  • Resonant LLC topology with DC-to-DC conversion delivers clean, consistent power
  • 480 W ATX output in a 1U form factor

1U 480W ATX Power Supply for Compact Systems

The KHACHIMO EFAP-48102 is a 1U form-factor ATX power supply rated at 480W, designed for rackmount servers or slim desktop chassis where vertical space is limited. It delivers 80 PLUS Gold certified efficiency for reduced heat output and lower running costs in always-on environments.

Check 1U Clearance and ATX Connector Reach Before

Verify that your chassis accepts a 1U height unit and that the fixed ATX cables reach the motherboard and peripheral connectors in your specific layout. Ensure the system’s total power draw stays within the 480W rating and that the motherboard supports Modern Standby sleep states if you need fast wake capability.

Resonant LLC Topology with DC-to-DC for Stable Rails

The unit uses a resonant LLC primary stage paired with DC-to-DC secondary conversion to maintain tight voltage regulation and minimise coil whine under varying loads. A zero-RPM fan mode stops the fan completely at low and medium loads, providing silent operation during idle or light workloads while the 80 PLUS Gold rating keeps temperatures down.

Highlights

  • Modern Standby compatible for extremely fast wake-from-sleep times
  • 80 PLUS Gold certified for high efficiency and lower power consumption
  • Zero RPM fan mode stops the fan at low and medium loads
  • Resonant LLC topology with DC-to-DC conversion delivers clean, consistent power
  • 480 W ATX output in a 1U form factor

Specifications

TypeATX

Questions about this item

Does the KHACHIMO EFAP-48102 include all necessary cables or must any be purchased separately?

The unit ships as a standalone 1U ATX power supply; cable inclusion is not detailed in the supplied specifications, so check the bundle contents before ordering.

Is the 480W 80 PLUS Gold version the only capacity offered for this model?

The data lists a single 480W 80 PLUS Gold configuration for the EFAP-48102; no alternative wattages or efficiency tiers are mentioned.

What does the 80 PLUS Gold rating mean for daily power draw and heat in a working PC?

It certifies at least 80% efficiency at typical loads, so the supply wastes less electricity, runs cooler and keeps fan noise lower during normal use.

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