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Compact silver ATX power supply unit with fan grille and cable bundle

KHACHIMO

KHACHIMO 250W ATX Power Supply 80+ Gold ENP-7025B

SKU CH-TGMP-SDZCS

A compact 250 W ATX power supply built for NAS 531 1815 DS1515+ 1U systems with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby support

  • Product typeATX
  • Modern Standby support enables near-instant wake from sleep
  • 80 PLUS Gold certification delivers high efficiency for lower power draw
  • Zero RPM fan mode stops the fan at low loads for silent running
  • Resonant LLC topology with DC-to-DC conversion provides clean power and reduces coil whine
  • 250 W ATX output suits compact NAS and 1U server builds

250W ATX Power Supply for NAS Builds

The KHACHIMO ENP-7025B delivers 250 watts of continuous power in a standard ATX form factor. It is designed for compact NAS enclosures such as the DS1515+ and similar 1U chassis where space and reliable power delivery are priorities.

80 PLUS Gold Efficiency with Zero RPM Fan

This unit carries 80 PLUS Gold certification, reducing waste heat and lowering operating noise under typical loads. Its resonant LLC topology with DC-to-DC conversion provides clean voltage regulation while the Zero RPM mode stops the fan entirely at low and medium loads for silent operation.

Ideal for Small-Form-Factor NAS Upgrades

Builders refreshing a compatible Synology or equivalent 1U NAS will appreciate the Modern Standby support for fast wake times. Those needing higher wattage for multi-GPU workstations or full-tower builds with numerous drives should look at higher-capacity units instead.

How it compares

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

Price $107.99
Cheaper than about 64% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeATX

Questions about this item

How long can the 250W output sustain Modern Standby sleep states before thermal limits engage?

The 80 PLUS Gold design and LLC resonant topology keep temperatures low enough for continuous Modern Standby operation without thermal throttling.

Does the Zero RPM fan mode stay off during an all-day Modern Standby workload?

Yes, at low and medium loads the fan remains off, so the unit runs silently even during extended sleep-state sessions.

Which NAS chassis must I already own for this ENP-7025B to fit and power on?

It is built for the DS1515+ 1U form factor and matches the 531 and 1815 part numbers used in that platform.

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