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Silver 1U 500W power supply unit with fan grille and modular connectors

KHACHIMO

KHACHIMO DPS-500YB C 1U 500W power supply

SKU CH-CZE1-QVB0B

A 500W ATX power supply with 80 PLUS Gold efficiency, Modern Standby support, zero-RPM fan mode and resonant LLC topology with DC-to-DC conversion

  • TypeATX
  • Fast wake and efficient sleep with Modern Standby compatibility
  • 80 PLUS Gold efficiency reduces power draw, noise and heat
  • Zero RPM fan mode keeps operation near-silent at low and medium loads
  • Resonant LLC topology with DC-to-DC conversion delivers clean, stable power
  • 500 W ATX output in a compact 1U form factor

1U 500W ATX power supply

This compact 1U unit delivers 500W of ATX power for rackmount servers and space-constrained workstations. It targets builders who need reliable output in a single-slot height chassis. The 80 PLUS Gold certification ensures high efficiency across typical loads. It is not for users requiring redundant or hot-swap power modules.

Installation notes

The 1U form factor fits standard rack rails but demands careful cable routing in shallow enclosures. Verify that the ATX connector layout matches the motherboard before securing the unit. Zero RPM fan mode activates automatically at low and medium loads for silent running. Improper mounting screw torque can stress the thin chassis and cause vibration noise.

Capacity and headroom

At 500W the supply handles single-CPU server boards and mid-range GPUs with comfortable overhead. Sustained loads near the maximum rating will spin the fan and raise exhaust temperatures. The LLC resonant topology with DC-to-DC conversion keeps voltage regulation tight under transient spikes. Systems with dual high-TDP processors or multiple high-end accelerators will exceed its capability.

Highlights

  • Fast wake and efficient sleep with Modern Standby compatibility
  • 80 PLUS Gold efficiency reduces power draw, noise and heat
  • Zero RPM fan mode keeps operation near-silent at low and medium loads
  • Resonant LLC topology with DC-to-DC conversion delivers clean, stable power
  • 500 W ATX output in a compact 1U form factor

Specifications

TypeATX

Questions about this item

How can I confirm the 80 PLUS Gold efficiency is working after installation?

Monitor power draw at the wall under load; the unit should maintain high efficiency consistent with 80 PLUS Gold ratings, resulting in lower consumption and cooler operation.

What cables and accessories are included with the DPS-500YB C and what must I source separately?

The 1U 500W supply ships with the fixed ATX connector set needed for standard builds; any specialised GPU or peripheral cables required by your components must be purchased separately.

Which capacity should I choose for a compact server needing Modern Standby support?

The single 500W model listed provides Modern Standby compatibility, Zero RPM fan mode and resonant LLC topology with DC-to-DC conversion for clean power in a 1U form factor.

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