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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

  • Product 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.

How it compares

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

Price $243.99
Pricier than about 71% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product 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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