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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.

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

How it compares

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

Price $64.99
Cheaper than about 82% of the 10,869 comparable items (median $142.99).

New to this? Buying PC parts with Monero — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameReplace Power
Model nameHP A342n A345c A345w A347x A350y A362n A365c A367c
Product colorGrey
Product typeATX
More details
Fan configuration1

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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