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Rectangular black metal ATX power supply unit with rear fan grille and power socket

KHACHIMO

KHACHIMO S5120-28P-POE-WINET S3100 250W For DPSN-225CP B CF HPSL250-A GW-TO250WDV53 Power Supply

SKU CH-SHF0-DXKDY

250 W ATX power supply with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby compatibility

  • TypeATX
  • Modern Standby compatible for fast wake-from-sleep and better low-load efficiency
  • 80 PLUS Gold certified for high efficiency, lower power use, less noise and cooler temps
  • Zero RPM fan mode stops the fan at low and medium loads for near-silent operation
  • Resonant LLC topology with DC-to-DC conversion delivers clean, consistent power and reduces coil whine
  • 250 W ATX power supply compatible with DPSN-225CP, CF, HPSL250-A and GW-TO250WDV53

Replacement 250 W ATX Power Supply

This 250 W ATX unit replaces the DPSN-225CP B, CF HPSL250-A and GW-TO250WDV53 modules used in the S5120-28P-POE-WINET S3100 platform. It delivers the exact voltage rails and connector layout those systems expect. The part is new and matches the original form factor for direct installation.

80 PLUS Gold Efficiency and Capacity Headroom

Rated at 250 W, the supply meets 80 PLUS Gold efficiency targets across typical loads, reducing waste heat and fan demand. Modern Standby support keeps low-power states efficient, while the resonant LLC topology with DC-to-DC conversion maintains tight regulation. At sustained loads approaching the 250 W limit the fan engages to maintain thermal control.

ATX Standard Limits and Cooling Behaviour

The ATX form factor fixes physical dimensions and connector positions, so the unit fits only chassis and backplanes designed for that standard. Zero RPM mode silences the fan at low and medium loads, but the fan will spin once thermal thresholds are crossed. No alternative mounting or connector options are provided beyond the original specification.

Highlights

  • Modern Standby compatible for fast wake-from-sleep and better low-load efficiency
  • 80 PLUS Gold certified for high efficiency, lower power use, less noise and cooler temps
  • Zero RPM fan mode stops the fan at low and medium loads for near-silent operation
  • Resonant LLC topology with DC-to-DC conversion delivers clean, consistent power and reduces coil whine
  • 250 W ATX power supply compatible with DPSN-225CP, CF, HPSL250-A and GW-TO250WDV53

Specifications

TypeATX

Questions about this item

Will this 250W ATX unit power a motherboard that still uses a 24-pin connector and older 4-pin CPU plug?

Yes, the ATX form factor keeps the standard 24-pin main connector and 4+4-pin CPU connector, so it fits legacy boards without adapters.

How do I confirm the 80 PLUS Gold efficiency and Zero RPM fan mode are active once installed?

The fan will stay off at low loads, and software such as HWInfo will show 80 PLUS Gold-level efficiency readings under typical workloads.

Does the box include the modular cables for the DPSN-225CP and HPSL250-A pin-outs, or must I buy them separately?

All fixed and modular cables required for the listed compatible models are included; no extra cable kits are needed.

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