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Grey ATX power supply unit with single fan

Replace Power

Replace Power H350N-00-RPSU-D 350 W ATX power supply

SKU CH-D2MF-2N11V MPN H350N-00-RPSU-D

ATX replacement unit delivers 350 W with single-rail output and 20+4-pin main connector

  • ColorGrey
  • TypeATX
  • Fans1
  • Weight0.1
  • 350 W output powers standard desktop builds
  • Single 12 V rail delivers 16 A for stable CPU and GPU supply
  • 20+4 pin main connector fits most ATX motherboards
  • 17 ms hold-up time bridges brief mains interruptions
  • 115 / 230 V input works worldwide without manual switching

Replacement Dell PSU

This Replace Power unit is a direct swap for the Bestec Dell PS-6351-2 and DPS-350XB-2 A power supplies. It delivers 350 W through a single 20+4 pin main connector and a +12 V rail rated at 16 A. The grey ATX chassis includes one fan and weighs 0.1 kg. It accepts 115 V or 230 V input at 50 Hz or 60 Hz.

Suits legacy Dell desktops

Builders restoring an older Dell system that originally shipped with the PS-6351-2 or DPS-350XB-2 A will find the correct pin-out and voltage rails here. The unit provides +3.3 V at 13 A, +5 V at 13 A, -12 V at 0.8 A, -5 V at 0.5 A and +5 VSB at 2.5 A. Systems that require modular cabling, additional PCIe power connectors or higher total wattage should look at a different power supply.

350 W single-rail design

The +12 V rail supplies 16 A, which sets the practical limit for CPU and drive power in the target machine. Rise time is under 70 ms and hold-up time is at least 17 ms at nominal input. If the build demands more +12 V current than 16 A, this unit will not meet the requirement.

Highlights

  • 350 W output powers standard desktop builds
  • Single 12 V rail delivers 16 A for stable CPU and GPU supply
  • 20+4 pin main connector fits most ATX motherboards
  • 17 ms hold-up time bridges brief mains interruptions
  • 115 / 230 V input works worldwide without manual switching

Specifications

BrandReplace Power
ModelH350N-00-RPSU-D
ColorGrey
TypeATX
Fans1
Weight0.1

Questions about this item

Will the 20+4-pin main connector fit a standard ATX motherboard?

Yes, the unit provides a 20+4-pin main connector plus a +12V rail, matching the standard ATX motherboard power interface.

What is the common mistake when swapping this unit into a Dell chassis?

Forgetting to set the 115 / 230 V input voltage switch to match the local mains supply before powering on.

How long should the hold-up time of 17 ms last before the unit needs replacement?

The 17 ms minimum hold-up at nominal input is a design specification; if the system loses power sooner during brownouts, the capacitors may be ageing and the PSU should be replaced.

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