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Compact silver 1U flex-ATX power supply with rear fan grille and modular cable sockets

KHACHIMO

KHACHIMO ITX FLEX Small 1U K39 500W Power Supply

SKU CH-H6BB-PDHA4

A 500 W ATX supply with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby support for compact builds

  • TypeATX
  • Modern Standby compatible for near-instant wake from sleep
  • 80 PLUS Gold efficiency reduces power draw and heat
  • Zero RPM fan mode stops the fan at low loads
  • Resonant LLC topology with DC-to-DC conversion delivers clean, stable power
  • Compact 1U form factor fits small ITX builds

ITX FLEX 1U 500W PSU

This compact 1U power supply delivers 500 watts of ATX power for small-form-factor builds. It targets system integrators and enthusiasts who need full output in a 39 mm tall chassis. Modern Standby compatibility ensures rapid wake-from-sleep behaviour for responsive desktops. The unit fits tight server or workstation cases where height is restricted.

80 PLUS Gold headroom

The 80 PLUS Gold rating guarantees high efficiency across typical loads, reducing waste heat and keeping internal temperatures lower. Resonant LLC topology with DC-to-DC conversion provides clean, stable rails for demanding components. At sustained loads near the 500 W limit the fan will spin up to maintain safe thermals. Very light loads may still draw measurable power from the wall despite the efficient design.

Zero RPM fan integration

A zero-RPM mode stops the fan completely at low and medium loads, removing acoustic noise during idle or office work. The 1U form factor demands cases with matching PSU brackets and adequate airflow paths around the unit. Builders must verify cable reach for their motherboard layout because the short chassis limits routing options. The design frees vertical space for taller CPU coolers or additional storage brackets.

Puntos fuertes

  • Modern Standby compatible for near-instant wake from sleep
  • 80 PLUS Gold efficiency reduces power draw and heat
  • Zero RPM fan mode stops the fan at low loads
  • Resonant LLC topology with DC-to-DC conversion delivers clean, stable power
  • Compact 1U form factor fits small ITX builds

Especificaciones

TypeATX

Preguntas sobre este artículo

Will the 500W output and ATX connectors support an older motherboard with a 24-pin main and 4-pin CPU power socket?

The unit delivers 500W through a standard ATX design, so the 24-pin main connector and 4-pin CPU plug fit legacy boards directly without adapters.

How can I confirm the Zero RPM fan mode is active once the system is running?

Under light or medium load the fan stops completely; you can verify it by listening for silence or watching the blades stay still while the PC is idle.

Does the PS-4501-1ZT include modular cables or must I buy them separately?

The power supply ships with its cables permanently attached; no extra cable kit is required for a standard build.

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