We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
1U silver power supply unit with rear fan grille and power socket

KHACHIMO

KHACHIMO 1U DPS-400AB-12B 400W 500W power supply

SKU CH-MAS2-P90Z0

1U ATX power supply rated 400W with 500W peak, 80 PLUS Gold efficiency, zero-RPM fan mode and LLC resonant topology with DC-to-DC conversion for Modern Standby

  • TypeATX
  • Modern Standby support enables rapid wake-from-sleep
  • 80 PLUS Gold certification 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 power
  • Rated 400 W continuous with 500 W peak capacity

1U 400W Gold PSU for Modern Standby Systems

This new 1U power supply delivers a rated 400W with a 500W peak rating and carries 80 PLUS Gold efficiency certification. It is built for compact servers and workstations that require reliable DC-to-DC conversion and low-load efficiency. The unit supports Modern Standby for rapid wake-from-sleep behaviour in compatible platforms. Its resonant LLC topology helps reduce coil whine while maintaining stable output.

Ideal for 1U builds needing silent low-load

The Zero RPM fan mode stops the fan completely at low and medium loads, making this unit suitable for noise-sensitive rack or desktop deployments. Builds that demand sustained output above 400W or require a standard ATX form factor should consider alternative units. The 1U height restricts use to chassis designed for this slim profile. Systems without Modern Standby support will not benefit from the fast wake capability.

Rated 400W with 500W peak capacity

The single specification that determines fit is the continuous 400W rating paired with a 500W peak limit. Verify that your total system draw stays within the rated figure for sustained workloads. The peak headroom handles brief transients but is not a continuous rating. Match this number to your component power budget before purchase.

Highlights

  • Modern Standby support enables rapid wake-from-sleep
  • 80 PLUS Gold certification 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 power
  • Rated 400 W continuous with 500 W peak capacity

Specifications

TypeATX

Questions about this item

Which rated and peak wattage option suits my 1U server build?

The unit is rated at 400W with a 500W peak, matching the DPS-400AB-12B label and the K39, K35, S3, M41 and M24 compatibility list.

What does the 80 PLUS Gold rating mean for daily operation?

It certifies high efficiency across typical loads, reducing power draw, heat output and fan noise compared with lower-rated supplies.

How does the ATX form factor and Modern Standby support affect compatibility?

The ATX design fits standard 1U bays, while Modern Standby enables faster wake times and deeper low-power sleep states on supported platforms.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.