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Grey ATX power supply unit with single fan

Replace Power

Replace Power AP-MPS3ATX30-37 300W ATX power supply

SKU CH-ZTYH-439RF MPN AP-MPS3ATX30-37

A 300W ATX power supply with a 20+4-pin motherboard connector, 4-pin ATX12V, two peripheral, one floppy and three SATA power connectors

  • Fan configuration1
  • Product colorGrey
  • Product typeATX
  • Product weight0.1
  • Delivers 300 W for stable desktop operation
  • 20+4-pin ATX connector fits most modern motherboards
  • Includes 4-pin ATX12V for CPU power
  • Three SATA power connectors support multiple drives
  • Single fan provides active cooling

Compatible Replacement Unit

The Replace Power AP-MPS3ATX30-37 is a 300 watt ATX power supply designed to replace FSP models including the ATX-250GT, ATX-300GU, F300-A and FSP250-60GRE. It fits standard desktop chassis and delivers 300W of continuous power for typical office or home systems. A single fan provides active cooling in a grey enclosure.

Suitable For Basic Rebuilds

This unit suits builders restoring older workstations or replacing a failed OEM supply in Dell, HP and similar brand PCs. It provides one 20+4-pin ATX connector, one 4-pin ATX12V connector, two peripheral connectors, one floppy connector and three SATA connectors. Systems requiring PCIe power leads or higher wattage should look at other models.

300W ATX Output Rating

The single figure that decides fitment is the 300 watt ATX output rating. Verify that the target chassis accepts a standard ATX form factor and that the connected components draw within this limit. The unit weighs 0.1 and carries model number AP-MPS3ATX30-37 for exact cross-reference.

How it compares

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

Price $56.99
Cheaper than about 87% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Brand nameReplace Power
Model nameAP-MPS3ATX30-37
Product colorGrey
Product typeATX
More details
Fan configuration1

Questions about this item

Does this 300W ATX supply include the 20+4-pin ATX and 4-pin ATX12V cables my motherboard needs?

Yes, the unit ships with one 20+4-pin ATX connector and one 4-pin ATX12V connector for the motherboard.

Will the three SATA power connectors and two peripheral connectors support the older hard drives and optical drive I plan to keep?

The supply provides three SATA power connectors and two peripheral connectors, matching legacy drives that use those plugs.

How can I verify the single fan is spinning and the 300W unit is delivering power after installation?

Power on the system; the fan should spin and the motherboard should POST, confirming the supply is operating.

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