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HP 277979-001 220 Watts 12V ATX Switching Power Supply Unit
- 220 Watts maximum power output
- ATX switching power supply
- 12V rail operation
- Suitable for a range of HP desktop computers
- Provides stable power for system components
- Standard ATX form factor for compatibility
- Reliable power delivery
Free U.S. Ground Shipping
Typically 1-2 handling + 3-7 transit days
Purchase orders accepted
For government, enterprise, data center, and small business customers.
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Volume pricing and availability
Product Overview
The HP 277979-001 is a 220-watt ATX switching power supply unit. It operates on a 12V rail and is designed for various HP computer systems requiring a standard ATX power configuration.
Technical Information
| SKU | 277979-001 |
| Model | 277979-001 |
| Type | ATX Switching Power Supply Unit |
| Wattage | 220 Watts |
Additional Specifications
| Voltage Rail | 12V |
| Form Factor | ATX |
| Compatibility | Various HP Desktop Computers |
Product Description
The HP 277979-001 is a 220-watt ATX switching power supply unit designed to provide reliable power to a variety of HP desktop computer systems. It adheres to the standard ATX form factor, ensuring compatibility with many PC cases and motherboards. The unit's primary function is to convert AC power from the wall outlet into the various DC voltages required by the computer's internal components, including the motherboard, CPU, hard drives, and expansion cards. Operating with a focus on the 12V rail, this power supply delivers the necessary current for power-hungry components like the processor and graphics card (if applicable). The switching power supply design allows for efficient power conversion, minimizing energy waste and heat generation. This efficiency contributes to the overall stability and performance of the computer system. As a replacement or upgrade component, the HP 277979-001 offers a dependable solution for systems that require a 220-watt power supply. Its robust construction and adherence to ATX standards make it a suitable choice for maintaining or restoring the functionality of compatible HP computers. Users can expect consistent power delivery, essential for preventing system crashes and ensuring the longevity of hardware.



