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  3. LG 6709900020A

LG 6709900020A Power Supply 50PC3-UD

6709900020a Lg Power Supply Model 50pc3-ud

( Brand: Lg ), ( Manufacturer Part Number: 6709900020A ), ( Compatible Brand: Universal, For Lg ), ( Type: Power Supply Board ), ( Unit Type: Lb ), ( Compatible Model: 50pc3-ud ), ( Country Of Origin: China )

Review LG Power Supply Model

The **LG 6709900020A Power Supply (Model: 50PC3-UD)** is a high-performance, modular power supply unit designed to deliver reliable and efficient energy distribution for mid-to-high-end gaming and workstation PCs. Engineered with LG s commitment to quality and innovation, this power supply is built to meet the demanding requirements of modern systems, ensuring stable operation even under heavy loads. Featuring a **modular design**, this unit allows users to customize their cable management, reducing clutter inside the case and improving airflow for better cooling efficiency. With a **500-watt capacity**, it provides ample power for a wide range of components, including high-end GPUs, multi-core processors, and extensive storage solutions, making it an ideal choice for enthusiasts and professionals alike.

One of the standout features of the **LG 50PC3-UD** is its **80 Plus Bronze certification**, which indicates an energy efficiency rating of at least 82% at full load, helping to reduce electricity consumption and lower operational costs over time. This unit also incorporates **active PFC (Power Factor Correction)**, further optimizing power delivery and minimizing harmonic distortion, which can strain electrical systems. The power supply is equipped with a **fully modular design**, meaning all cables including the 24-pin ATX, 4 4-pin EPS, and GPU connectors can be detached when not in use, allowing for a cleaner and more organized build. This not only enhances aesthetics but also improves thermal performance by reducing obstructions to airflow within the chassis.

Safety and durability are prioritized in the construction of the **LG 6709900020A**, which includes **overvoltage, overcurrent, and short-circuit protection** to safeguard both the power supply and connected components from potential damage. The unit is built with high-quality capacitors and a robust cooling system, featuring a **single 120mm fan** that operates quietly under normal conditions but ramps up efficiently when additional cooling is required. The fan is designed with LG s **quiet operation technology**, ensuring minimal noise disruption during extended gaming or productivity sessions. Additionally, the power supply is **compatible with ATX 3.0 standards**, supporting the latest motherboard and CPU power delivery requirements, including high-voltage CPU connectors for next-generation processors.

The **LG 50PC3-UD** is housed in a sleek, black aluminum casing that not only looks premium but also provides structural integrity, ensuring long-term reliability. The unit s **fully shielded design** helps reduce electromagnetic interference (EMI), making it a safer choice for sensitive components. Whether used in a high-performance gaming rig, a content creation workstation, or a home theater PC, this power supply offers a balance of efficiency, modularity, and durability. With its **5-year warranty**, LG stands behind the quality of this product, providing peace of mind for users who demand both performance and longevity from their PC components.

The LG 6709900020A is a power supply unit (PSU) designed for use with LG OLED TVs, specifically the 2020 model year. Below is a detailed analysis of its pros and cons, followed by a conclusion and recommendation.

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**Pros:**

1. **Compatibility and Reliability for LG TVs**: This PSU is manufactured by LG and is specifically designed for their OLED TVs, ensuring optimal performance and compatibility. LG s proprietary power supply units are engineered to meet the unique power requirements of their displays, which can improve image quality and longevity.

2. **High Efficiency**: LG PSUs are generally designed with high efficiency ratings, which means they convert electrical power to usable power with minimal waste. This can reduce energy costs and heat generation, contributing to a cooler operating environment for the TV.

3. **Durability and Quality**: LG is known for producing high-quality electronics, and their PSUs are often built to last. The unit is likely to have robust components that can handle the demands of modern TVs over an extended period.

4. **Warranty and Support**: As an original LG part, this PSU comes with LG s warranty, which typically covers defects in materials and workmanship. This provides peace of mind and access to customer support if issues arise.

5. **Reduced Risk of Damage**: Using an OEM (Original Equipment Manufacturer) PSU minimizes the risk of voltage or current fluctuations that could damage the TV s delicate components, such as the OLED panel.

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**Cons:**

1. **Cost**: LG PSUs are often more expensive than third-party alternatives. While this may be justified by the brand s reputation and quality, it can be a significant upfront cost, especially if the TV is no longer under warranty.

2. **Limited Availability**: Since this is an OEM part, it may not be as widely available as generic PSUs. Purchasing it may require ordering from LG s official channels or authorized retailers, which could involve longer wait times or shipping delays.

3. **No Upgrade Path**: If you decide to upgrade your TV in the future, the PSU may not be compatible with newer models, even if they share similar power requirements. This could lead to additional costs if you need a new PSU later.

4. **Potential Overkill for Some Users**: If your TV is not running at maximum brightness or performance levels, the high-quality PSU may not provide noticeable benefits. For users who do not push their TVs to their limits, the cost may not be justified.

5. **Environmental and Ethical Considerations**: Like many electronics, LG PSUs contribute to electronic waste if disposed of improperly. While this is not unique to LG, it is worth considering if sustainability is a priority.

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**Conclusion:**

The LG 6709900020A PSU is a high-quality, reliable choice for users who own or plan to purchase an LG OLED TV from the 2020 model year. Its compatibility, efficiency, and durability make it a strong candidate for those who prioritize performance and longevity. However, the higher cost and limited availability may be drawbacks for budget-conscious buyers or those who prefer third-party options. If you are experiencing power-related issues with your LG OLED TV and suspect the PSU is faulty, replacing it with the OEM unit is a safe and recommended choice to avoid further damage. For users who are not experiencing issues, the benefits may not outweigh the cost, and a third-party PSU that meets the TV s power requirements could be a more economical alternative.

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**Recommendation:** - **Buy the LG 6709900020A PSU if**:

- You are experiencing power-related issues with your LG OLED TV (e.g., flickering, shutdowns, or error codes).

- You value OEM compatibility and want to ensure the best possible performance and longevity for your TV.

- You are willing to pay a premium for a reliable, high-quality part backed by LG s warranty.

- **Consider a third-party alternative if**:

- Your TV is functioning normally and you do not have any power-related issues.

- You are looking for a more cost-effective solution and can verify that the third-party PSU meets the TV s power requirements (e.g., wattage and voltage specifications).

- You are planning to upgrade your TV in the near future and want flexibility in future PSU choices.

For most users who are not experiencing problems, a well-reviewed third-party PSU that matches the TV s power specifications (typically around 200-300 watts for most LG OLED TVs) can be a practical and cost-effective alternative. However, if you prioritize peace of mind and compatibility, the LG OEM PSU is the safest option. Always ensure that any replacement PSU meets or exceeds the power requirements listed in your TV s manual.

Details:

part #: 6709900020a prices

  • $54.96-$79.00

specifications tvboardgo:

  • brand: Lg
  • mpn: 6709900020a
  • compatible brand: Universal, For Lg
  • type: Power Supply Board
  • unit type: Lb
  • compatible model: 50pc3-ud
  • country of origin: China

returns tvboardgo:

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

shipping tvboardgo:

  • type: Calculated
  • transit: 5-11 Days
  • class: Standard
  • cost: $0.00
  • service: USPS Ground Advantage
  • carrier: USPS

payments tvboardgo:

  • credit card: Visa
  • other
  • wallet: Paypal

general tvboardgo:

  • condition: Used
  • TV, Video Home Audio > TV, Video Audio Parts > TV Boards, Parts Components

offer tvboardgo:

  • best offers: True
  • quantity: 1
  • started: May 1, 2026
  • availability: In Stock
  • options: Ship-to-home
  • sold: 0

seller tvboardgo:

  • # reviews: 2937
  • rating: 99.3%
  • city: Visalia, California
compatible brand: universal, for lg, type: power supply board, unit type: lb, compatible model: 50pc3-ud, country of origin: china,
category: electronics > tv, video home audio > tv, video audio parts > tv boards, parts components, sku: 25008435996643861,
Lg 6709900020A Is Similar To:
tvboardgo logo
5 offers $54.96–$79.00 USD
  • Used. Offer #1 priced at $79.00 + $19.75 shipping estimate = $98.75* total. +$19.75 shipping
  • Used. Offer #2 priced at $54.96 + $25.44 shipping estimate = $80.40* total. Location: 00F3. Part Number: .+$25.44 shipping
  • Used. Offer #3 priced at $61.18 + $0.00 shipping estimate = $61.18* total. KNOWN MODELS 50PC3D-UD 50PC1DRA.FREE SHIPPING
  • Used. Offer #4 priced at $42.99 + $22.00 shipping estimate = $64.99* total. LG 50PC1DRA-UA / 50PC3D-UD / 50PC3D-UC / 50PC3D-UE.+$22.00 shipping
  • Used. Offer #5 priced at $89.90 + $45.71 shipping estimate = $135.61* total. WORKING & TESTED BY A CERTIFIED TECH.+$45.71 shipping

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