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Black ATX power supply unit with cooling fan and cable connectors

KHACHIMO

KHACHIMO RS1221RP+ FS2500 350W Power Supply

SKU CH-T2H6-3KXJV

350 W ATX power supply for NAS models RS1221RP+ and FS2500 with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby support

  • TypeATX
  • Modern Standby support for faster wake-from-sleep
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Zero RPM fan mode keeps operation silent at low load
  • Resonant LLC topology with DC-to-DC delivers clean, stable power
  • 350W ATX unit built for RS1221RP+ and FS2500 NAS systems

Purpose-built replacement for NAS chassis

This 350 W ATX unit is designed specifically for the RS1221RP+ and FS2500 network-attached storage platforms. It supplies the steady, redundant power those systems require while fitting the original mounting points and connectors.

Build integration and headroom

The ATX form factor aligns with the chassis power bay, so no adapter cables or bracket modifications are needed. Gold-rated efficiency reduces waste heat inside the enclosure, leaving more thermal margin for the drives and controller board.

Sustained-load behaviour

Under continuous array rebuilds or heavy file serving the resonant LLC topology with DC-to-DC conversion keeps voltage rails stable and ripple low. The fan remains off at low and medium loads, and the Modern Standby support allows rapid wake cycles without voltage droop.

Pontos fortes

  • Modern Standby support for faster wake-from-sleep
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Zero RPM fan mode keeps operation silent at low load
  • Resonant LLC topology with DC-to-DC delivers clean, stable power
  • 350W ATX unit built for RS1221RP+ and FS2500 NAS systems

Especificações

TypeATX

Perguntas sobre este artigo

How does the 350 W limit behave when the RS1221RP+ runs continuously at full load?

The unit delivers up to 350 W continuously; 80 PLUS Gold certification means efficiency stays high so less power turns into heat during sustained operation.

What noise and heat levels should I expect from the FS2500 supply during all-day use?

Zero RPM Fan Mode stops the fan at low and medium loads for near-silent running; 80 PLUS Gold efficiency keeps temperatures lower even when the fan spins.

Which existing hardware must I already have for this ATX power supply to work?

You need a system with a standard ATX power connector and mounting points; the RS1221RP+ is designed as a direct replacement for compatible NAS or server chassis.

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