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Silver rectangular ATX power supply with single fan and 20+4 pin connector

Replace Power

Replace Power RPSU-dps145pb 420W ATX power supply

SKU CH-8S6N-4ZNCJ MPN RPSU-dps145pb

A 420 W ATX unit with a 20+4 pin connector, three SATA plugs and reduced depth for legacy HP and Compaq systems

  • Fan configuration1
  • Product typeATX
  • Product weight1.5
  • Replaces multiple legacy HP and Hipro units with a single 420 W ATX supply
  • 20+4 pin connector fits both 24-pin and 20-pin motherboards
  • Reduced 5.9" x 3.4" x 4" depth improves case compatibility
  • Over-current, over-voltage, over-power and short-circuit protection safeguards components
  • Switchable 110-260 V AC input works worldwide

Replacement ATX Power Supply

This 420W ATX unit replaces several legacy HP Compaq and Hipro models including dps-180kb, dps-200pb, hp-150clfa6, hp-a2027f3 and hp-a1507f3. It also covers Liteon PS-5101-2, PS-5151-6, PS-5151-2h3, PS-6151-6c2, PS-6161-2h, PS-6161-2h1 and PS-6251-01. The built-in 20+4 pin adapter supports both 20 and 24 pin motherboards.

Thermals and Power Draw

A single fan cools the supply across an operating range of 0 C to 50 C at full load. Input voltage switches between 110 and 260 V AC at 50 or 60 Hz. Output rails deliver +3.3V at 11A, +5V at 12A, +12V at 8A, +12V2 at 8A, -12V at .3A and +5VSB at 2A. Over current, over power, over voltage and short circuit protections are included.

Upgrade From Lower Wattage Units

The reduced depth of 5.9" width, 3.4" height and 4" depth increases case compatibility compared to deeper legacy units. It supplies 420 watts total, a step up from 150, 180 or 200 watt originals. Connectors include one ATX 20+4 pin, one P4 12V 4-pin, three SATA 15-pin, three LP4 4-pin and one floppy 4-pin. Weighs 1.5 units.

How it compares

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

Price $58.99
Cheaper than about 86% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Brand nameReplace Power?
Model nameRPSU-dps145pb
Product typeATX
More details
Fan configuration1

Questions about this item

How do I install the 20+4 pin ATX connector and the P4 12V 4-pin cable, and which step is often missed?

Plug the 20+4 pin connector fully into the motherboard until it clicks, then attach the P4 12V 4-pin cable to the CPU power header; the step often missed is seating the 4-pin CPU power connector, which prevents the system from posting.

What maintenance will the 1.5 kg unit need over time?

Clean the single fan intake with compressed air every few months to prevent dust build-up; the fan is the only moving part and no other user-serviceable components are inside.

At what load does the +12 V rail hit its limit first during sustained use?

The +12 V rail is rated for 8 A and the +12 V2 rail for 8 A; whichever rail reaches 8 A first will trigger over-current protection and shut the unit down.

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