1. Computer Power Supplies Parts
  2. sku: 12009244695826762
  3. DELL PS-4321-9HA

DELL PS-4321-9HA Power Supply 320W 503378-001

Ps-4321-9ha Dell Hp 320w Power Supply 503378-001

( Brand: Dell ), ( Manufacturer Part Number: PS-4321-9HA ), ( Voltage Compatibility: 100v 240v ), ( Compatible Brand: For Hp ), ( Color: Silver ), ( Connectors: 6pin Atx. 4 Pin Cpu, Sata ), ( Form Factor: Atx ), ( Type: Power Module ), ( Maximum Power: 320 W ), ( Maximum Wattage: 320 Watta ), ( Country Of Origin: China )

Review DELL Hp 320w Power Supply

The Dell PS-4321-9HA is a high-performance 320-watt external power supply designed specifically for Dell computers. This power supply, with model number 503378-001, is an essential component that delivers power to your system, ensuring optimal performance and reliability.

This power supply features a 320-watt capacity, which is more than sufficient for most mid-range to high-performance Dell desktops. It comes with a universal input voltage range of 100-240 volts, making it a versatile choice for use in various locations around the world.

The Dell PS-4321-9HA is designed with advanced safety features, including overvoltage, overcurrent, and short-circuit protection, ensuring the safety of your computer and its components. Moreover, it has an efficient design that minimizes power loss and waste, contributing to energy savings and a reduced carbon footprint.

This power supply is constructed using high-quality components, ensuring durability and long-lasting performance. Its compact design allows for easy installation and integration into your Dell system, while its external form factor enables easy access for maintenance and troubleshooting.

The Dell PS-4321-9HA power supply comes with a standard IEC 320 C13 power cord, allowing you to connect it to a wall outlet or power strip. Its ergonomic design includes a power switch and LED power indicator, providing convenient access to essential information and control functions.

In conclusion, the Dell PS-4321-9HA 320-watt power supply is an essential component for Dell desktop computers, offering high performance, reliability, and advanced safety features. With its efficient design, versatile input voltage range, and compact form factor, it is an excellent choice for powering your Dell computer and ensuring optimal system performance.

A Comparative Analysis of Dell PS-4321-9HA and HP 320W Power Supplies (503378-001)

Introduction:

When it comes to selecting the right power supply unit (PSU), choosing between two seemingly similar options can be a challenge. In this analysis, we will compare the Dell PS-4321-9HA and HP 320W power supplies (model numbers 503378-001 for both) to help you make an informed decision.

1. Compatibility:

Both power supplies are designed to work with various Dell and HP systems. However, it is essential to ensure that the specific model of your computer is listed as compatible with the power supply. Check your system's documentation or the manufacturer's websites for confirmation.

Pros:

- Both power supplies are compatible with a wide range of Dell and HP systems.

2. Efficiency:

Efficiency is a crucial factor when choosing a power supply. A more efficient power supply wastes less energy as heat.

Pros:

- The Dell PS-4321-9HA has an efficiency rating of 80 PLUS Bronze, which converts 82% of the input power to output power.

- The HP 320W power supply also has an 80 PLUS Bronze certification, converting 82% of the input power into output power.

3. Form Factor:

The form factor refers to the physical dimensions and shape of the power supply.

Pros:

- Both power supplies have a standard ATX form factor, making them widely compatible with most desktop cases.

4. Warranty:

Warranty coverage is another essential factor when considering a power supply.

Pros:

- Dell offers a limited 3-year warranty on the PS-4321-9HA.

- HP offers a limited 2-year warranty on the 503378-001 power supply.

5. Price:

Prices may vary based on retailers and availability.

Cons:

- The Dell PS-4321-9HA may be slightly more expensive than the HP 320W power supply.

6. Noise Level:

A quieter power supply is generally preferred, as fan noise can be distracting.

Pros:

- Both power supplies have similar noise levels.

Conclusion:

Both the Dell PS-4321-9HA and HP 320W power supplies (503378-001) offer comparable features, including efficiency, compatibility, form factor, warranty, noise level, and price. Ultimately, the choice between these two power supplies comes down to personal preference, brand loyalty, or availability. If you prefer a longer warranty, the Dell power supply might be the better choice for you. If you prefer a lower price, the HP power supply could be the more suitable option.

Recommendation:

To make an informed decision, consider the specific requirements of your computer system, your budget, and your preference for brand or warranty coverage. Once you have gathered this information, you will be well-equipped to choose the best power supply for your needs.

Details:

It features an ATX form factor, 100-240V input voltage , and proprietary connectors including a 6-pin main connector, 4-pin CPU SATA power. Form Factor: ATX Micro tower. Key Specifications SEE PICTURES. Item/items MAY have, have scuffs, scratches, dings, dents, marks, writing, stickers, tape, dust, dirt ETC.

Part Numbers: 503378-001, 508154-001. Key Specifications: Max Output Power: 320 watts . The HP 503378-001 is a 320W internal power supply unit PSU designed for Compaq Pro 60 6005, 62 63 and Elite 8000/8100/8200/8300 Micro tower MT desktop computers. Buyer is buying item/items with no guarantee and AS-IS, WHERE IS all faults damage.

Hp power supply.

part #: ps43219ha prices

  • $34.36-$51.13

specifications powsuppy:

  • brand: Dell
  • mpn: Ps-4321-9ha
  • voltage compatibility: 100v 240v
  • compatible brand: For Hp
  • color: Silver
  • connectors: 6pin Atx. 4 Pin Cpu, Sata
  • form factor: Atx
  • type: Power Module
  • maximum power: 320 W
  • maximum wattage: 320 Watta
  • country of origin: China

general powsuppy:

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

offer powsuppy:

  • options: Ship-to-home
  • availability: In Stock
  • quantity: 4
  • started: April 3, 2026
  • best offers: True
  • sold: 0

payments powsuppy:

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

returns powsuppy:

  • policy: No Returns

seller powsuppy:

  • # reviews: 650
  • city: Danville, Kentucky
  • rating: 100.0%

shipping powsuppy:

  • class: Standard
  • service: USPS Ground Advantage
  • transit: 4-10 Days
  • carrier: USPS
  • cost: $9.81
  • type: Calculated
voltage compatibility: 100v 240v, compatible brand: for hp, connectors: 6pin atx. 4 pin cpu, sata, form factor: atx, type: power module, maximum power: 320 w, maximum wattage: 320 watta, country of origin: china,
category: computers > computers/tablets networking > computer components parts > power supplies, color: silver, sku: 12009244695826762,

Dell PS-4321-9HA Is Similar To:

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5 offers $34.36–$51.13 USD
  • Offer #1: $51.13 price + $0.00 shipping estimate = $51.13* total. Help & Info. Connectors 6pin +6pin +4pin.FREE SHIPPING
  • Offer #2: $40.12 price + $0.00 shipping estimate = $40.12* total. Tested by manufacturer to match and/or exceed specifications of OEM products. Compatible Model : For HP MT Series 6000 6005 6200 6060 6080 6280.FREE SHIPPING
  • Offer #3: $34.36 price + $0.00 shipping estimate = $34.36* total. 100% New SP Spanish Keyboard Teclado Fit HP G4 G6 G6 G6S G6T G6X G4-1000 Laptop.FREE SHIPPING
  • Offer #4: $61.48 price + $40.76 shipping estimate = $102.24* total. Sealed in a static bag.+$40.76 shipping
  • Offer #5: $61.48 price + $40.76 shipping estimate = $102.24* total.+$40.76 shipping

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