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1U compact power supply unit, matte metal finish, rear fan grille, modular cable connectors visible

KHACHIMO

KHACHIMO HYC650-1U 650W 80 PLUS Gold power supply

SKU CH-KJYN-NBK47

A 650W 80 PLUS Gold ATX power supply with zero-RPM fan mode and resonant LLC topology for silent, efficient operation

  • TypeATX
  • Modern Standby support for faster wake times
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Zero RPM fan mode enables silent low-load operation
  • Resonant LLC with DC-to-DC topology delivers clean, stable power
  • 650 W output in a 1U form factor for dense builds

KHACHIMO HYC650-1U 650W PSU

The KHACHIMO HYC650-1U is a 650W ATX power supply designed for compact 1U server chassis and high-density workstations. It suits system integrators and IT professionals who need reliable, efficient power delivery in space-constrained rackmount builds.

80 PLUS Gold with Zero RPM Fan Mode

Certified 80 PLUS Gold, the unit delivers high efficiency to reduce power draw, heat output and acoustic noise. A Zero RPM mode stops the fan completely at low and medium loads for silent operation, while resonant LLC topology with DC-to-DC conversion ensures clean voltage regulation and minimises coil whine.

Modern Standby and legacy sleep-state support

The platform enables Modern Standby for near-instant wake times and improved low-load efficiency, replacing older supplies that lack deep sleep-state compatibility. The upgrade is worthwhile when deploying fleets that demand fast resume, lower idle consumption and quieter rack environments.

Highlights

  • Modern Standby support for faster wake times
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Zero RPM fan mode enables silent low-load operation
  • Resonant LLC with DC-to-DC topology delivers clean, stable power
  • 650 W output in a 1U form factor for dense builds

Specifications

TypeATX

Questions about this item

Does the ATX interface limit the 650 W output in any way?

The ATX form factor supports the full 650 W rating without any power cap.

What chassis clearance does the 1U height require?

A 1U rack or case slot is needed; the unit fits standard 1U server depth.

How do I enable Modern Standby and what step is often missed?

Connect the 24-pin ATX and 4+4-pin EPS cables, then enable Modern Standby in the motherboard BIOS; the missed step is forgetting the BIOS toggle.

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