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Compact silver 1U ATX power supply unit with rear fan grille and power socket

KHACHIMO

KHACHIMO 1U 400W ATX power supply DPS-400AB-12A

SKU CH-S46Y-J7GAX

A 1U 400W ATX power supply with 80 PLUS Gold efficiency, Modern Standby support, Zero RPM fan mode and resonant LLC topology

  • TypeATX
  • Modern Standby compatibility enables rapid wake-from-sleep and improved low-load efficiency
  • 80 PLUS Gold certification delivers high efficiency for reduced power draw and cooler running
  • 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
  • Compact 1U form factor fits space-constrained ATX builds while supplying 400W

1U 400W ATX Power Supply

The KHACHIMO DPS-400AB-12A is a 1U form-factor ATX power supply rated at 400W. It targets compact server chassis, workstation builds and small-form-factor PCs where vertical space is limited. The unit carries 80 PLUS Gold certification and supports Modern Standby for rapid wake-from-sleep transitions. It suits system integrators and builders who need efficient, space-saving power delivery.

Compatibility and installation notes

Verify that your chassis accepts a 1U ATX power supply and that the mounting pattern matches the DPS-400AB-12A dimensions. Confirm the motherboard requires a standard ATX main connector and check the number of peripheral connectors your drives and add-in cards need. This unit is not for builders who need a second power supply for redundancy or those requiring a higher total output than 400W.

Thermals, noise and power draw

The 80 PLUS Gold rating indicates high efficiency across typical loads, reducing waste heat and overall power draw. A Zero RPM fan mode stops the cooling fan completely at low and medium loads, delivering near-silent operation during idle or light work. Resonant LLC topology with DC-to-DC conversion provides clean, consistent power and helps suppress coil whine for quieter performance in normal use.

Přednosti

  • Modern Standby compatibility enables rapid wake-from-sleep and improved low-load efficiency
  • 80 PLUS Gold certification delivers high efficiency for reduced power draw and cooler running
  • 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
  • Compact 1U form factor fits space-constrained ATX builds while supplying 400W

Specifikace

TypeATX

Otázky k tomuto produktu

Does the KHACHIMO 1U 400W ATX power supply include all necessary cables or must any be purchased separately?

The box contains the power supply unit only; modular cables are not included and must be sourced separately to match your build.

Which model suffix — DPS-400AB-12A, DPS-400AB-12 G, DPS-400AB-12A or DPS-400AB-12G — should I select for my 1U server chassis?

All listed suffixes refer to the same 400W 1U ATX unit; choose the exact part number that matches your existing label or chassis documentation.

What does the 80 PLUS Gold rating mean for daily power draw and heat in a running system?

It guarantees at least 80 percent efficiency at typical loads, reducing wasted electricity, lowering internal temperatures and allowing the fan to stay off longer under light use.

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