Bestec ATX-300-12Z 300W ATX Power Supply (HP Compatible)
Brand: Bestec (often used by HP) · SKU: ATX-300-12Z · MPN: ATX-300-12Z · Category: Components
300W 24-Pin ATX Power Supply, often associated with HP computers. It features switch selectable AC input between 115V (100-127V) and 230V (200-240V). It includes one 24-pin ATX connector, one ATX12V connector, two Serial ATA power connectors, five peripheral power connectors (IDE/Molex), and one floppy drive connector. Reliability is stated as > 100K hours with all outputs at maximum load at 25°C ambient temperature. It is a proprietary power supply replacement for various HP models.
Specifications
| Output +5V | 30A |
|---|---|
| Output +12V | 19A |
| Output -12V | 0.8A |
| Output +3.3V | 28A |
| Output +5VSB | 2A |
| Input Voltage | 100-127V~7A, 200-240V~4A 60/50Hz (Switch Selectable) |
| Main Connector | 24-Pin ATX |
| SATA Connectors | 2 |
| Floppy Connector | 1 |
| CPU Power Connector | +12V 4-Pin (ATX12V) |
| Maximum Output Power | 300W |
| Peripheral (Molex) Connectors | 5 |
| Warranty | Varies by seller, commonly offered with a 30-day or 90-day return/warranty period for used/refurbished units. |
| Weight | N/A |
| Dimensions | 150mm x 141mm x 86mm or 6" Wide X 3.5" Tall X 5.5" Deep |
Key Features
A 300 Watt ATX power supply unit originally manufactured by Bestec, commonly used as a replacement or original part in various HP/Compaq computers. It provides standard ATX power rail outputs and a 24-pin main connector.
Frequently Asked Questions
Is this product genuine OEM?
Yes, this Bestec ATX-300-12Z 300W ATX Power Supply (HP Compatible) (ATX-300-12Z) is 100% genuine Bestec (often used by HP) hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
What warranty is included?
This Bestec ATX-300-12Z 300W ATX Power Supply (HP Compatible) includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
How long does shipping take?
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Can I return this product?
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Is the Bestec ATX-300-12Z 300W ATX Power Supply (HP Compatible) compatible with my system?
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the ATX-300-12Z.