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Grey ATX power supply unit with reduced depth and built-in cables

Replace Power

Replace Power 420 W ATX power supply reduced depth for HP A342n A345c A345w A347x A350y A362n A365c A367c

SKU CH-DHCE-1XXE5

A 420 W ATX power supply with reduced depth fits HP desktops including A342n, A345c, A345w, A347x, A350y, A362n, A365c and A367c.

  • ColorGrey
  • TypeATX
  • Fans1
  • Weight4
  • Fits tight HP cases with 5.86 inch reduced depth
  • Delivers 420 W peak power for demanding components
  • Runs on 110 V or 220 V mains worldwide
  • Supplies SATA 15 pin plus Molex and floppy connectors
  • Low ripple and noise with 17 ms hold-up time

Reduced-depth ATX replacement for HP desktops

This 420 W ATX power supply is built with a shorter chassis to fit HP A342n, A345c, A345w, A347x, A350y, A362n, A365c and A367c systems. It delivers a combined 280 W across the +5 V, +12 V1, +12 V2, +3.3 V, -12 V and +5 V standby rails. The unit ships new in a grey enclosure and includes an 80 mm fan for cooling. It is not suited for builds that require a full-depth ATX form factor or higher continuous power output.

Check connector count and chassis clearance

Verify that your motherboard uses a 20+4 pin main connector and a 4-pin CPU power plug before ordering. The harness provides three SATA 15-pin leads, two Molex 4-pin leads and one floppy 4-pin lead; ensure this matches your drive complement. Confirm the reduced depth of 5.86 inches clears internal cables and drive cages in the target case. The supply operates on 110/220 V input at 47 to 63 Hz, so check local mains compatibility.

Thermals, noise and power draw

An 80 mm fan handles airflow while the unit supplies up to 420 W peak and 280 W continuous load. Low ripple and noise figures are specified by the manufacturer, and the supply meets ROHS and CE requirements. Hold-up time is rated at 17 ms minimum at nominal input, with a rise time under 70 ms. In typical desktop use the fan runs at a steady speed to maintain stable temperatures without aggressive ramping.

Highlights

  • Fits tight HP cases with 5.86 inch reduced depth
  • Delivers 420 W peak power for demanding components
  • Runs on 110 V or 220 V mains worldwide
  • Supplies SATA 15 pin plus Molex and floppy connectors
  • Low ripple and noise with 17 ms hold-up time

Specifications

BrandReplace Power
ModelHP A342n A345c A345w A347x A350y A362n A365c A367c
ColorGrey
TypeATX
Fans1
Weight4

Questions about this item

What connectors come with the Replace Power 420 W unit and what else might I need?

The supply includes a 24 (20+4) pin motherboard connector, a 4-pin CPU connector, three SATA 15 pin connectors, two Molex 4 pin connectors and one floppy 4 pin connector. All cables are fixed.

How do I choose between the listed HP model numbers for this 420 W replacement?

This single unit replaces every model listed: A342n, A345c, A345w, A347x, A350y, A362n, A365c and A367c. Pick the one that matches your chassis label.

What does the 420 W peak rating mean when the continuous total is 280 W?

The 420 W figure is the short-term peak; the supply delivers 280 W continuously across the +5 V, -5 V, +12 V1, +12 V2, +3.3 V, -12 V and +5 V-SB rails.

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