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Compact 1U power supply unit with matte black metal casing and rear cooling fan

KHACHIMO

KHACHIMO Small 1U LOLI ENP-7660B 600W Power Supply

SKU CH-P9XJ-JKV2D

Compact 1U ATX unit delivers 600 W with 80 PLUS Gold efficiency, zero-RPM fan mode and LLC resonant topology for clean, quiet power

  • Product typeATX
  • Modern Standby compatibility enables extremely fast wake-from-sleep times
  • 80 PLUS Gold certification delivers high efficiency for lower power consumption and cooler temperatures
  • 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 power and reduces coil whine
  • ATX form factor fits standard 1U server and workstation chassis

1U 600W ATX Power Supply

The KHACHIMO ENP-7660B is a 1U form-factor ATX unit rated at 600W, designed for compact server or workstation chassis where vertical space is limited. It targets system integrators and IT professionals building dense rackmount or small-form-factor platforms that still demand full ATX power delivery.

80 PLUS Gold and Zero RPM Fan Mode

Gold-certified efficiency reduces waste heat and lowers operating costs across typical load ranges. The Zero RPM mode stops the fan completely at low and medium loads, eliminating acoustic noise during idle or light computational tasks. Resonant LLC topology with DC-to-DC conversion further suppresses coil whine and supports modern sleep states.

Modern Standby Compatibility

This unit suits builders who need fast wake-from-sleep response and quiet operation in space-constrained enclosures. It is not for deployments requiring redundant power modules or higher wattage headroom beyond 600W. Buyers needing larger form-factor dimensions or modular cable sets should evaluate alternative designs.

How it compares

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

Price $250.99
Pricier than about 72% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeATX

Questions about this item

What maintenance does the ENP-7660B fan need over time?

The Zero RPM Fan Mode keeps the fan off at low and medium loads, reducing dust buildup and wear; clean the intake vents periodically.

What limit appears first when the 600W unit runs at full load continuously?

The 80 PLUS Gold rating guarantees high efficiency up to the rated 600W, so thermal protection is the first limit under sustained maximum output.

How loud and hot does the ENP-7660B get during all-day operation?

Zero RPM Fan Mode stops the fan at low and medium loads for near-silent running; Resonant LLC topology with DC-to-DC conversion cuts coil whine and lowers temperatures.

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