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Grey ATX power supply unit with single fan visible

Replace Power

Replace Power 375W ATX Power Supply Grey

SKU CH-EWVJ-W9W3X

A 375W ATX power supply with a single fan and grey finish, rated for 115 or 230V input and delivering 12V at 16A, 5V at 13A and 3.3V at 13A

  • ColorGrey
  • TypeATX
  • Fans1
  • Weight0.1
  • Delivers 375 W continuous output for stable system operation
  • Free upgrade path to 420 W capacity when extra headroom is needed
  • Single 12 V rail rated at 16 A supports modern CPU and GPU loads
  • Reduced-depth ATX form factor fits legacy Dell chassis without modification
  • Includes 20+4 pin ATX and 12 V connectors for direct replacement of WM283, N375P-00, L375P-00, P8401, K8956, NPS-375AB units

Replacement PSU for Dell Systems

This Replace Power 375W ATX unit fits Dell models using part numbers WM283, N375P-00, L375P-00, P8401, K8956 and NPS-375AB. It delivers a free upgrade to 420W output in a reduced-depth chassis. The single-fan design provides 20+4Pin and +12V connectors with single-rail topology. Input voltage handles 115 / 230 V at 50/60 Hz.

Ideal for Direct Dell Swaps

Owners of the listed Dell desktops can restore steady power without cable adapters or case modifications. The unit supplies +3.3V @13A, +5V @13A, +12V1 @16A, -12V @0.8A, -5V @0.5A and +5VSB @2.5A. Builders working on non-Dell platforms or needing other form factors should look elsewhere.

375W to 420W Upgrade Rating

The headline specification is the 375W nominal rating with a free upgrade to 420W, a rare gain in a reduced-depth ATX replacement. Rise time stays under 70ms and hold-up time reaches 17ms minimum at nominal input. If your Dell requires a different wattage or connector layout, this unit will not match.

Highlights

  • Delivers 375 W continuous output for stable system operation
  • Free upgrade path to 420 W capacity when extra headroom is needed
  • Single 12 V rail rated at 16 A supports modern CPU and GPU loads
  • Reduced-depth ATX form factor fits legacy Dell chassis without modification
  • Includes 20+4 pin ATX and 12 V connectors for direct replacement of WM283, N375P-00, L375P-00, P8401, K8956, NPS-375AB units

Specifications

BrandReplace Power
ModelN/A
ColorGrey
TypeATX
Fans1
Weight0.1

Questions about this item

How do I install the 20+4Pin ATX connector and the +12V rail into a Dell WM283 chassis?

Align the 20+4Pin main connector and the separate +12V plug with the motherboard sockets, then secure the reduced-depth chassis screws before tightening the power cables to avoid bending the pins.

Which component will need replacement first after continuous operation?

The single internal fan is the only moving part; its bearings typically wear before the solid-state voltage rails, so plan a fan swap when noise increases.

What limit appears first when the unit runs at full load for long periods?

The +12V rail is rated at 16A; sustained draw near that level hits the single-rail current ceiling before the 375W total power rating is reached.

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