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Allied

Allied AL-A300ATX 300W ATX Desktop PC Power Supply 115/230V 20-Pin SATA

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SKU:
18948
MPN:
AL-A300ATX
Condition:
Used
Availability:
Usually ships within 1-2 business days.
Weight:
5.00 LBS
Shipping:
Calculated at Checkout
  • Allied AL-A300ATX 300W ATX power supply – front and left side view showing IEC AC inlet, power switch, and 80mm cooling fan
  • Allied AL-A300ATX 300W ATX power supply – rear and right side view showing exhaust vent grille and output harness
  • Allied AL-A300ATX power supply output harness showing 20-pin ATX main connector, 4-pin Molex connectors, floppy connector, and SATA power connector
  • Allied AL-A300ATX power supply specification label showing model, 115/230V input, full DC output ratings, certifications UL CSA TUV FCC CE, and UPC barcode
$30.00
Was: $80.00
Current Stock: 1

Sold Out

Description

Allied AL-A300ATX 300W ATX Desktop PC Power Supply 115/230V 20-Pin SATA

Used ATX form factor desktop power supply with 300W maximum output and dual voltage input (115/230V AC). Includes output harness with SATA and Molex connectors.

Specifications & What's Included

  • Model: AL-A300ATX
  • Power Output: 300W max (280W combined DC)
  • Input: 115/230V AC, 50/60Hz
  • Outputs: +3.3V/+5V/+12V/-12V/-5V/+5VSB
  • Connectors: 20-pin ATX, SATA, 4-pin Molex, Floppy
  • Cooling: Rear-mounted 80mm thermal control fan
  • Certifications: UL, CSA, TUV, FCC, CE

Applications

Designed for standard ATX desktop PC builds using Socket 478/775 era motherboards and compatible systems. Common in business desktop environments through the 2000s and 2010s. Supports legacy floppy connectors and SATA/Molex peripheral power.

Please note: We may have multiple units of this item in stock. The unit you receive may vary slightly from the one shown in the photos. All units are functionally equivalent and inspected to the same standard.

Condition: Used
This Allied AL-A300ATX 300W ATX Desktop Power Supply has been inspected and appears to be in good used condition. The chassis shows typical light surface wear consistent with prior use, and the label is clean and fully legible. The output harness, including SATA and Molex connectors, is intact and undamaged. The unit has not been bench-tested at our facility, but was pulled from a working desktop computer environment. Please view our photo set and contact us if you have any questions.
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Warranty Information

We stand behind every item we sell with a 30-day money-back guarantee. If your item arrives not as described, you may return it within 30 days for a full refund. Please inspect your purchase upon arrival and contact us with any questions.
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Additional Information

Brand:
Allied
Model:
AL-A300ATX
MPN:
AL-A300ATX
SKU:
18948
Condition:
Used – Inspected
Seller Notes:
Power supply only; harness with SATA and Molex connectors included
Form Factor:
ATX Desktop
Power Output:
300W Max (Combined 280W)
AC Input Voltage:
115/230V AC
AC Input Current:
8A @ 115V / 4A @ 230V
Input Frequency:
50/60 Hz
Output +3.3V:
28A
Output +5V:
30A (Peak 10A)
Output +12V:
15A
Output -12V:
0.8A
Output -5V:
0.3A
Output +5VSB:
2A
Combined +3.3V/+5V Power:
180W
Combined +12V Power:
9.6W (per label)
Max DC Combined Power:
280W
Connector Type:
20-Pin ATX Main, SATA, 4-Pin Molex, Floppy
Cooling:
Thermal control fan (rear-mounted 80mm)
Power Requirements:
115/230V AC, 50/60Hz, 8A/4A
Certifications:
UL, CSA, TUV, FCC, CE
Compatible With:
ATX desktop PC cases; standard ATX motherboards
Country of Manufacture:
China
Condition Notes:
Allied AL-A300ATX 300W ATX power supply in good used condition. Inspected; chassis shows light wear. Output harness intact with SATA and Molex connectors. Not bench-tested; pulled from working desktop environment.
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