HP L63964-004 Switching Power Supply Cpu Atx Desktop 310

( Brand: Hp ), ( Manufacturer Part Number: L63964-004 ), ( Type: Power Supply ), ( Maximum Power: 310 W ), ( Connectors: 4 4 Cpu ), ( Compatible Brand: For Hp ), ( Unit Type: Unit ), ( Form Factor: Atx ), ( Cooling: 1 Fan ), ( California Prop 65 Warning: This Product Contains A Chemical Known To The State Of California To Cause Cancer. ), ( Machine Type: Desktop ), ( Connector: Psu ), ( Modular: No )

Review HP Switching Power Supply 310 Cpu Atx Desktop

The HP L63964-004 Switching Power Supply is a high-performance and reliable solution for powering your ATX desktop computer. This power supply unit (PSU) is specifically designed for use with modern CPUs and other power-hungry components, delivering a maximum output of 310 watts.

The HP L63964-004 features an efficient and quiet cooling system, which ensures that the power supply operates at optimal temperatures even under heavy load. The fan used in this power supply is a fluid dynamic bearing (FDB) fan, which provides quiet and reliable operation. The fan speed is adjustable based on the load, ensuring that it only spins up when necessary to maintain efficient cooling.

This PSU is compliant with the latest energy efficiency standards, including 80 PLUS Bronze, which means it converts at least 82% of the power it consumes into usable power for your computer. This not only helps to reduce your electricity bill but also minimizes the carbon footprint of your system.

The HP L63964-004 comes with a full suite of protection features, including overvoltage, undervoltage, overcurrent, short circuit, and over temperature protection. These features help to safeguard your components from damage, ensuring that your system operates safely and reliably.

The power supply comes with a modular design, which means that you only need to connect the cables that you require for your specific system configuration. This not only simplifies the installation process but also reduces clutter inside your computer case. The power supply includes various connectors for different components, including 20 4-pin ATX, 4 4-pin EPS12V, and multiple peripheral connectors.

The HP L63964-004 Switching Power Supply is designed to meet the demanding requirements of modern desktop computers and is an excellent choice for anyone looking for a high-performance, efficient, and reliable power supply for their system. With its quiet operation, robust protection features, and modular design, this power supply is sure to provide you with a stable and dependable power source for your PC.

The HP L63964-004 Switching Power Supply is a 310-watt ATX desktop power supply unit (PSU). Here are some pros and cons that may help you make an informed decision about purchasing this particular PSU:

1. High Wattage: With a maximum output of 310 watts, this PSU is suitable for most mid-range and high-end desktop systems.

2. 80 PLUS Bronze Certification: This certification ensures that the PSU operates efficiently, converting at least 80% of the input power into output power under typical loads. This can save energy and reduce heat generation.

3. Multiple Power Connectors: The PSU comes with a variety of connectors to cater to different components, including 24-pin ATX, 4 4-pin EPS12V, and various PCIe and SATA power connectors.

4. Protection Features: The PSU includes several protection features such as overcurrent protection, overvoltage protection, and short-circuit protection to prevent damage to components.

5. Quiet Operation: The PSU utilizes a fluid dynamic bearing fan that operates quietly, even under full load.

1. Limited Overclocking Capabilities: This PSU may not be the best choice for overclocking as it is not designed to deliver extremely high power bursts.

2. Limited Modularity: Although it comes with a good number of connectors, the PSU is not fully modular, meaning some cables are permanently attached to the unit.

3. Limited Efficiency at Low Loads: While the 80 PLUS Bronze certification guarantees a minimum efficiency, the PSU may not operate as efficiently at low loads.

In conclusion, the HP L63964-004 Switching Power Supply is a reliable and efficient choice for most mid-range and high-end desktop systems. Its high wattage, 80 PLUS Bronze certification, and multiple protection features make it a solid option. However, it may not be the best choice for systems requiring extreme power bursts or those that prioritize full modularity.

Recommendation: If you're looking for a reliable and efficient power supply for a mid-range or high-end desktop system that doesn't require extreme power bursts or full modularity, the HP L63964-004 Switching Power Supply is a good choice. It offers good performance, quiet operation, and robust protection features.

Details:

There may be signs of normal wear on these units that differ from the photos in listing. Please see the listing pictures. Output 310 W. Testing Procedure: Test Results: Key Functions: Test: Expected Result: Provides power to the Computer Attempt boot machine with supply POST no warning codes Pass, Visually examined Power Supply for defects No found Pass.

Connector 4 CPU. Tested for key functions, R2/Ready Resale. Only items pictured are included.

CPU Fans Heat sinks. Shipping Information. Power Supplies. Desktop Motherboards.

Servers storage Nodes. Peripheral Cards. If a part is not pictured, then it included in the sale.

part #: l63964004 prices

• $19.99-$64.99

specifications powsuppy:

• brand: Hp
• mpn: L63964-004
• type: Power Supply
• maximum power: 310 W
• connectors: 4 4 Cpu
• compatible brand: For Hp
• unit type: Unit
• form factor: Atx
• cooling: 1 Fan
• california prop 65 warning: This Product Contains A Chemical Known To The State Of California To Cause Cancer.
• machine type: Desktop
• connector: Psu
• modular: No

payments powsuppy:

• credit card: Mastercard
• wallet: Apple-pay
• other

offer powsuppy:

• sold: 0
• availability: In Stock
• options: Ship-to-home
• started: June 4, 2026
• quantity: 1

general powsuppy:

• Computers/Tablet's Networking > Computer Components Parts > Power Supplies
• condition: Used

returns powsuppy:

• time: 30 Days
• policy: Returns Accepted
• method: Money back
• paid by: Seller

seller powsuppy:

• # reviews: 106506
• rating: 99.8%
• city: Indianapolis, Indiana

shipping powsuppy:

• cost: $0.00
• service: USPS Ground Advantage, UPS Ground, USPS Priority Mail, UPS Next Day Air Saver
• transit: 2-6 Days
• carrier: USPS, UPS
• class: Standard, Expedited, One-day
• type: Calculated

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