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  3. HP PA55511HB

HP Platinum Power Supply Lite Nos 550 M76933-001 PA-5551-1HB

Pa-5551-1hb Hp Pa55511hb New 550 W Platinum Power Supply M76933-001 Lite-on Oem Nos

( Brand: Hp ), ( Manufacturer Part Number: PA55511HB ), ( Maximum Power: 550 W ), ( Type: Power Module )

Review HP New 550 Platinum Power Supply Lite on Oem Nos

HP PA55511HB 550W Platinum Power Supply (M76933-001, PA-5551-1HB, Lite-On NOS)

The HP PA55511HB is a high-performance, 550-watt Platinum-rated power supply unit (PSU) designed for use in servers and other high-demand computing environments. This unit, identified by model numbers M76933-001, PA-5551-1HB, and Lite-On NOS, is a replacement or new original equipment manufactured (NOEM) component.

The Platinum efficiency rating of this power supply signifies that it converts up to 92% of the input power into usable output power. This not only results in lower power loss but also contributes to energy savings and reduced carbon footprint. Additionally, it ensures stable and reliable power delivery for optimal system performance.

This unit offers 12 independent 12V rails, which provide more flexibility and reliability, ensuring that each component in your system receives a stable and adequate power supply. The 12V rails have a combined capacity of 44.8A (380.8W) and are suitable for delivering power to multiple high-performance graphics cards or other power-hungry components.

The HP PA55511HB power supply features active PFC (Power Factor Correction), which ensures that the power being consumed by the system is in phase with the power being supplied, improving power quality and efficiency. It also features Intel ATX12V v2.3 and EPS12V v2.92 compatibility, making it suitable for use in a wide range of systems.

The power supply includes a 20 4 pin main ATX connector, 4 4 pin EPS12V connector, and a variety of peripheral connectors, including SATA, Molex, and Floppy disk drive connectors. The dimensions of the power supply are 150mm (W) x 86.2mm (H) x 140mm (D).

The HP PA55511HB 550W Platinum power supply is backed by a 5-year warranty, ensuring peace of mind and reliable operation for your critical computing infrastructure. This power supply is an excellent choice for businesses and organizations that demand high performance, stability, and energy efficiency from their power supplies.

The HP PA55511HB/M76933-001 PA-5551-1HB Lite-On NOS is a 550-watt power supply unit (PSU) manufactured by Lite-On Technology. This PSU is designed to provide power to computer systems and is sold under the HP brand. Here are some pros and cons that may help you decide if this power supply is a good fit for your needs.

Pros:

1. Reliable brand: Lite-On is a well-known and reliable manufacturer of power supplies.

2. Adequate power: This PSU offers 550 watts of power, which is sufficient for most mid-range computer systems.

3. 80 Platinum certification: This PSU is certified to be 92% efficient or higher under typical load conditions, which can help reduce energy waste and save money on electricity bills.

4. Modular design: This PSU features a modular design, which allows users to connect only the cables they need, reducing clutter and improving airflow inside the computer case.

5. Active PFC: This PSU has an active power factor correction (PFC) circuit, which can help improve power delivery efficiency and reduce power loss.

Cons:

1. Limited connectors: This PSU may not offer enough connectors for some high-end components, such as multiple graphics cards or high-end sound cards.

2. Noisy operation: Some users have reported that this PSU can be noisy under heavy load conditions, which may be a concern for those who value quiet operation.

3. Price: This PSU is more expensive than some other power supplies in its class due to its Platinum certification and modular design.

In conclusion, the HP PA55511HB/M76933-001 PA-5551-1HB Lite-On NOS is a reliable and efficient power supply that offers adequate power for most mid-range computer systems. Its 80 Platinum certification, modular design, and active PFC circuit make it an attractive option for those who value energy efficiency and quiet operation. However, its limited connectors and higher price point may be a concern for some users.

If you are looking for a power supply that offers good performance, reliability, and energy efficiency, and you don't mind paying a premium for these features, then the HP PA55511HB/M76933-001 PA-5551-1HB Lite-On NOS could be a good choice for you. However, if you are on a tight budget or have specific component requirements that may require additional connectors, you may want to consider other power supplies in this price range. Ultimately, the decision comes down to your specific needs and budget.

Details:

Money back guarantee. Specs: Output 550 W total 12 V rails up to 18 A each. 80 PLUS Platinum efficiency rating for high output and low heat. Genuine HP OEM Lite-On power supply Part # M76933-001 / model PA-5551-1HB.

New Old Stock Never Installed HP 550 W Platinum Power Supply. Pulled from surplus inventory, unused and fully functional.

part #: pa55511hb price

  • $49.99

specifications powsuppy:

  • brand: Hp
  • mpn: Pa55511hb
  • maximum power: 550 W
  • type: Power Module

offer powsuppy:

  • options: Ship-to-home
  • started: October 19, 2025
  • availability: In Stock
  • quantity: 1
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general powsuppy:

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

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  • city: Dayton, Ohio
  • # reviews: 496
  • rating: 96.6%
maximum power: 550 w, type: power module,
category: computers > computers/tablets networking > computer components parts > power supplies, sku: 9557384523834713,

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