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Silver rectangular 1U ATX power supply unit with fan grille and power socket

KHACHIMO

KHACHIMO 1U 350W ATX Power Supply FSP350-70MU

SKU CH-SZWF-EE3AN

A 350W ATX power supply with 80 PLUS Gold efficiency, Modern Standby support, and a Zero RPM fan mode for silent low-load operation

  • Product typeATX
  • 80 PLUS Gold certification cuts power draw and heat
  • Zero RPM fan mode keeps the system silent at low loads
  • Resonant LLC topology with DC-to-DC conversion delivers clean, stable power
  • Modern Standby support enables ultra-fast wake from sleep
  • 350 W ATX output fits compact 1U server and workstation builds

KHACHIMO 1U 350W ATX Power Supply

This KHACHIMO unit is a new 350W ATX power supply built for 1U chassis where space is tight. It carries 80 PLUS Gold certification and uses a resonant LLC topology with DC-to-DC conversion to deliver clean, consistent power. Modern Standby compatibility enables extremely fast wake-from-sleep times and better low-load efficiency. A Zero RPM fan mode stops the fan entirely at low and medium loads for near-silent operation.

Suited for compact 1U builds needing efficient.

This supply fits small-form-factor servers, workstations or appliances that require an ATX pinout in a 1U height and benefit from Gold-level efficiency. It is not for systems that need more than 350W of continuous output. Builders requiring redundant or hot-swap modules should look at something else. Buyers needing a standard ATX form factor for full-size towers will also need a different design.

80 PLUS Gold efficiency at 350W in a 1U package

The single specification that decides fit is the 350W rated output combined with 80 PLUS Gold certification inside a 1U form factor. This determines whether the unit can meet the thermal and power envelope of the target chassis. No other capacity or efficiency tier is offered for this model. Verify the 350W limit against the total system draw before purchasing.

How it compares

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

Price $325.99
Pricier than about 80% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeATX

Questions about this item

How loud does the FSP350-70MU get under continuous all-day load?

The 80 PLUS Gold efficiency keeps heat low, and the Zero RPM mode stops the fan entirely at low and medium loads for near-silent operation. Resonant LLC topology with DC-to-DC conversion further reduces coil whine for quieter running.

What motherboard power connectors must my system already provide for this 350W unit?

This ATX power supply requires a 24-pin main connector and a CPU power connector on the motherboard to deliver power to the system.

Will the Modern Standby support work with older hardware I keep installed?

Modern Standby compatibility enables extremely fast wake-from-sleep and better low-load efficiency, while the resonant LLC topology allows use of more energy efficient sleep states alongside existing components.

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