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Grey ATX power supply unit with single fan

Replace Power

Replace Power AP-MPS3ATX30-33 300W ATX power supply

SKU CH-NAEQ-8TS37 MPN AP-MPS3ATX30-33

300 W ATX power supply with one fan, 20+4-pin and 4-pin CPU connectors, two peripheral, one floppy and three SATA connectors for Gateway DX4300-11, DX4300-15e, E-4000, GM5470E and GM5472

  • Fan configuration1
  • Product colorGrey
  • Product typeATX
  • Product weight0.1
  • 300W output keeps a Gateway DX4300-11 running
  • High-efficiency design lowers electricity draw
  • Low ripple and noise protects sensitive components
  • Output over-voltage protection guards hardware
  • Single fan cools the unit quietly

300W ATX Replacement Supply

This 300W ATX power supply replaces the original unit in Gateway DX4300-11 DX4300-15e E-4000 GM5470E GM5472 systems. It delivers steady power for desktop repairs or standard builds. The grey enclosure houses a single fan for cooling.

Suits Gateway desktop repairs

Ideal for owners restoring the listed Gateway models or swapping a failed ATX supply in compatible OEM chassis. Builders needing PCIe power connectors or higher wattage for discrete graphics should look at other units.

Single 20+4-pin ATX connector

The unit provides one 20+4-pin ATX connector, one 4-pin ATX12V connector, two peripheral connectors, one floppy connector and three SATA connectors. Verify that your motherboard and drives match this connector set before purchase.

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 nameAP-MPS3ATX30-33
Product colorGrey
Product typeATX
More details
Fan configuration1

Questions about this item

Which motherboard power connectors must my board provide for this Replace Power AP-MPS3ATX30-33 unit?

The supply includes one 20+4-pin ATX connector and one 4-pin ATX12V connector; your motherboard needs matching sockets for both.

Can I keep my existing IDE hard drives and floppy drive when installing this 300W replacement?

Yes — the unit provides two peripheral power connectors for IDE drives and one floppy drive connector for legacy 3.5-inch drives.

How do I confirm the AP-MPS3ATX30-33 is delivering power correctly after fitting it?

With the 20+4-pin and 4-pin cables seated, the single fan should spin and the system should POST; the three SATA power connectors will then supply attached drives.

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