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Silver 1U ATX power supply unit with rear fan grille and cable connectors

KHACHIMO

KHACHIMO 1U E200 275W power supply ENP-3927B ENP-3927C

SKU CH-M3Q1-BJ80J

A 275 W ATX power supply with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby support for silent, low-power operation

  • TypeATX
  • Modern Standby support enables extremely fast wake-from-sleep and better low-load efficiency
  • 80 PLUS Gold certification delivers high efficiency for lower power consumption, less noise and cooler temperatures
  • Zero RPM fan mode stops the cooling fan at low and medium loads for near-silent operation
  • Resonant LLC topology with DC-to-DC conversion provides clean, consistent power and reduces coil whine
  • 275 W output capacity powers 1U E200 systems reliably

1U E200 275W ATX supply

The KHACHIMO 1U E200 delivers 275 watts of ATX power in a compact 1U form factor. It is built for small-form-factor workstations, rackmount servers and embedded systems that require reliable, efficient power conversion in limited vertical space.

Modern Standby and Zero RPM features

Modern Standby compatibility enables extremely fast wake-from-sleep transitions and improved low-load efficiency. Zero RPM fan mode stops the cooling fan entirely at low and medium loads for near-silent operation. Resonant LLC topology with DC-to-DC conversion provides clean, consistent power, reduces coil whine and supports deeper energy-efficient sleep states.

80 PLUS Gold 275W capacity headroom

80 PLUS Gold certification confirms high efficiency, lowering power draw, noise and operating temperatures. The 275W rating comfortably handles mainstream CPUs, integrated graphics and multiple storage drives in a 1U chassis. Builds requiring discrete high-power GPUs, large core-count processors or extensive peripheral arrays will exceed the available headroom.

Punti di forza

  • Modern Standby support enables extremely fast wake-from-sleep and better low-load efficiency
  • 80 PLUS Gold certification delivers high efficiency for lower power consumption, less noise and cooler temperatures
  • Zero RPM fan mode stops the cooling fan at low and medium loads for near-silent operation
  • Resonant LLC topology with DC-to-DC conversion provides clean, consistent power and reduces coil whine
  • 275 W output capacity powers 1U E200 systems reliably

Caratteristiche tecniche

TypeATX

Domande su questo articolo

How often will the cooling fan on this 275 W unit need cleaning or replacement?

The Zero RPM fan mode stops the fan at low and medium loads, reducing wear and dust build-up; clean it when you service the rest of the system.

Which protection triggers first during a sustained 200 W load — over-temperature or over-current?

80 PLUS Gold efficiency keeps temperatures lower, so the over-temperature threshold is reached later than the over-current limit under continuous high draw.

How much acoustic noise does the PSU add when the system runs all day at typical office loads?

At typical office loads the fan stays off in Zero RPM mode, so the unit adds virtually no audible noise during all-day operation.

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