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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

  • Fan configuration1
  • Product colorGrey
  • Product typeATX
  • Product 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.

How it compares

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

Price $61.99
Cheaper than about 84% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Brand nameReplace Power
Model nameH350N-00-RPSU-D
Product colorGrey
Product typeATX
More details
Fan configuration1

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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