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Grey ATX power supply unit with single fan visible

Logisys Computer Inc.

Logisys Computer Inc. DPC-L-480D 480W ATX power supply

SKU CH-5XBQ-Z26TZ MPN DPC-L-480D

480W ATX power supply with 20+4-pin main, 4-pin 12V, three Molex, two SATA and one floppy connector, weighing 2.25

  • Fan configuration1
  • Product colorGrey
  • Product typeATX
  • Product weight2.25
  • 480 W output powers demanding desktop builds
  • 20+4 pin main connector fits 20 pin and 24 pin motherboards
  • 4 pin 12 V P4 connector supplies dedicated CPU power
  • Two SATA connectors support modern drives
  • Three Molex plus floppy connectors cover legacy devices

Compaq Presario SR1000 upgrade PSU

The Logisys DPC-L-480D is a grey ATX power supply rated at 480 W. It is built as a direct replacement for the original unit in a long list of Compaq Presario SR1000 series desktops. A single fan provides cooling and the unit weighs 2.25 kg.

Who this suits and who should look elsewhere

This unit suits owners of the listed Presario models who need a new ATX power supply with a 20+4 pin main connector, a 4-pin 12 V P4 connector, three Molex, two SATA and one floppy lead. Builders working on any other chassis or anyone needing different connectors or a higher rating should look elsewhere.

Deciding specification — 480 W ATX

The single specification that decides fitment is the 480 W ATX design combined with a 20+4 pin main connector that works with both 20 pin and 24 pin motherboards. If your Presario requires that exact connector layout and wattage, this supply matches the requirement.

How it compares

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

Price $29.99
Cheaper than about 95% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Brand nameLogisys
Model nameDPC-L-480D
Product colorGrey
Product typeATX
More details
Fan configuration1

Questions about this item

How do I install the 20+4 pin main connector on a motherboard that only has a 20 pin socket?

The main connector splits into a 20 pin block and a separate 4 pin block; attach only the 20 pin portion to the motherboard socket and leave the 4 pin section unplugged.

Which cables or connectors are most likely to need replacement after several years of use?

The Molex and SATA power connectors can loosen or develop corroded pins over time; inspect them during upgrades and replace any that feel loose or show discolouration.

What is the first limit reached when the unit runs continuously at high load?

The single internal fan becomes the limiting factor; sustained high output raises internal temperature until the fan can no longer dissipate heat fast enough.

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