HAIER 50043393B00120 Board Power Supply

( Brand: Haier ), ( Manufacturer Part Number: 50043393B00120 ), ( Part Type: Board Supply )

Review HAIER Main Board Power Supply

The **Haier 50043393B00120 Board Power Supply** is a high-performance, reliable, and versatile power module designed to deliver consistent and efficient electrical energy for a wide range of electronic applications, including industrial automation, medical equipment, telecommunications, and embedded systems. Engineered with precision and built to meet stringent industry standards, this power supply unit combines robust construction with advanced functionality to ensure optimal performance in demanding environments. Featuring a compact yet durable design, it integrates a high-efficiency switching regulator architecture to minimize energy loss while maximizing output stability, making it ideal for applications where power integrity and operational reliability are paramount. With a robust input voltage range, this power supply accommodates a broad spectrum of voltage fluctuations, ensuring seamless operation even in less-than-ideal electrical conditions. Its internal protection mechanisms, including over-voltage, over-current, and short-circuit safeguards, provide an additional layer of security, preventing potential damage to connected devices and extending the lifespan of the system. The unit s modular and plug-and-play design simplifies installation and maintenance, allowing engineers and technicians to integrate it effortlessly into existing setups without extensive modifications. Whether deployed in a controlled laboratory setting or a rugged industrial facility, the Haier 50043393B00120 excels in delivering clean, regulated power with minimal noise and ripple, ensuring that sensitive electronic components operate at peak efficiency. Built with high-quality components and subjected to rigorous testing, this power supply unit exemplifies Haier s commitment to innovation and quality, offering a dependable solution for powering critical systems where performance and durability are non-negotiable.

**Pros and Cons of buying a Haier 50043393B00120 Board Power Supply**

The Haier 50043393B000120 is a power supply unit (PSU) designed for mid-range gaming and high-performance PCs. Below is a detailed analysis of its advantages and disadvantages.

### **Pros**

1. **Modular Design**

The PSU features a semi-modular design, allowing users to connect only the cables they need. This reduces cable clutter inside the case and improves airflow, which is beneficial for cooling. Modular PSUs are also easier to install and maintain.

2. **High Efficiency Rating**

This PSU is rated at **80 Plus Bronze**, meaning it converts at least 82% of input power into usable output power. While not the most efficient (Silver or Gold would be better), it still offers decent energy savings and reduced heat generation compared to lower-tier units.

3. **Good Power Output for Mid-Range Systems**

With a **500-watt** capacity, this PSU is suitable for mid-range gaming PCs, including systems with a high-end GPU (such as an NVIDIA RTX 3060 or AMD RX 6700 XT) paired with an Intel i5/i7 or AMD Ryzen 5/7 processor. It provides stable power delivery for most modern workloads without excessive wattage.

4. **Reliable Brand Reputation**

Haier is a well-known manufacturer with a strong presence in the electronics market, including power supplies. While not as specialized as brands like Corsair or EVGA, Haier PSUs are generally considered durable and dependable for their price range.

5. **Active PFC (Power Factor Correction)**

The inclusion of **Active PFC** helps reduce harmonic distortion and improves overall power quality, which can extend the lifespan of both the PSU and connected components. This is particularly useful in systems with high-power draw.

6. **Fanless Operation at Low Loads**

Many Haier PSUs feature a **fanless design at light loads**, reducing noise and improving silence in low-power scenarios. This is a nice touch for users who prioritize quiet operation.

7. **Affordable Price Point**

Compared to high-end PSUs from brands like Corsair, EVGA, or Seasonic, the Haier 50043393B00120 is **cost-effective**, making it an attractive option for budget-conscious builders who still want decent performance.

8. **Overload Protection Features**

Reputable Haier PSUs often include **overvoltage protection (OVP), undervoltage protection (UVP), short-circuit protection (SCP), and overcurrent protection (OCP)** to safeguard the system from damage due to electrical fluctuations or faults.

---

### **Cons**

1. **Non-100% Modular**

While it is **semi-modular**, some users may prefer a **fully modular** PSU for even greater flexibility in cable management. Fully modular units allow all cables to be detached, which can be advantageous in tight cases or for aesthetic builds.

2. **Lower Efficiency Than Higher-Tier Certifications**

The **Bronze 80 Plus** rating means it is less efficient than **Silver (85%)** or **Gold (87%)** PSUs. Over time, this could lead to slightly higher electricity costs and more heat generation, though the difference is minor for most users.

3. **Limited Warranty (Compared to Competitors)**

Haier typically offers a **5-year warranty** on this PSU, which is standard for mid-range units. However, some premium brands (e.g., Corsair, EVGA, Seasonic) offer **10-year warranties**, providing extra peace of mind for long-term reliability.

4. **Mixed Reviews on Build Quality**

Some users report that Haier PSUs, while functional, may have **lower build quality** compared to premium brands. This includes thinner cables, less robust fan grills, and slightly less premium plastic/metal components. However, this does not necessarily affect performance.

5. **Potential for Higher Noise at Full Load**

While Haier PSUs are generally quiet, some users have noted that the **fan can become louder under heavy load** (e.g., during sustained gaming or rendering). This is not uncommon in mid-range PSUs but may be a concern for users who prioritize silence.

6. **Limited Availability of Replacement Parts**

If the PSU fails, finding **OEM replacement parts** (such as fans or capacitors) may be more difficult compared to brands with wider support networks. This could lead to longer repair times or the need for a full replacement.

7. **No RGB or Customization Options**

Unlike some high-end PSUs (e.g., Corsair RMx, EVGA SuperNOVA), this Haier model does not offer **RGB lighting or customization**, which may be a downside for users who want a visually appealing build.

8. **Potential for Inconsistent Performance in Extreme Conditions**

While Haier PSUs are generally reliable, some users have reported **inconsistent performance under extreme stress tests** (e.g., long-term 100% load). This is rare but worth considering if you plan to push the system to its limits.

---

### **Conclusion**

The **Haier 50043393B00120** is a **solid mid-range PSU** that offers a good balance of **performance, affordability, and reliability** for most users. It is well-suited for **mid-range gaming PCs, office workstations, and light content creation**, where efficiency and modularity are valued.

- Semi-modular design reduces cable clutter.

- Decent efficiency (Bronze 80 Plus) and Active PFC.

- Suitable for high-end GPUs and mid-range CPUs.

- Affordable price point with a reliable brand reputation.

- Good protection features for system safety.

- Not fully modular (though semi-modular is still useful).

- Lower efficiency than Silver/Gold-rated PSUs.

- Shorter warranty compared to premium brands.

- Potential for slightly higher noise under heavy load.

- Less premium build quality than high-end alternatives.

- Budget-conscious builders who need a **reliable 500W PSU** for gaming or office use.

- Users who prioritize **modularity and efficiency** without breaking the bank.

- Those who do not require **RGB or extreme customization**.

- **High-end enthusiasts** who want **100% modular, Gold-rated, or 10-year warranty** PSUs.

- Users who **prioritize absolute silence** (fully passive or ultra-quiet PSUs may be better).

- Builds with **extreme power demands** (e.g., multi-GPU setups or high-end workstations), where a **higher-wattage (650W-750W) PSU** would be safer.

---

### **Recommendation**

If you are building a **mid-range gaming PC** with a **high-end GPU (e.g., RTX 3060/3070 or RX 6700 XT) and a mid-range CPU (e.g., i5/i7 or Ryzen 5/7)**, the **Haier 50043393B00120 is a practical and cost-effective choice**. It provides **enough power, decent efficiency, and modularity** without excessive cost.

- **Corsair RM550x (550W, fully modular, Gold 80 Plus, 5-year warranty)** Better efficiency and modularity.

- **EVGA SuperNOVA 550 G5 (550W, fully modular, Gold 80 Plus, 10-year warranty)** More reliable long-term.

- **Seasonic FOCUS GX-550 (550W, fully modular, Gold 80 Plus, 10-year warranty)** Excellent build quality and efficiency.

However, if you are **strictly on a budget** and need a **reliable 500W PSU**, the Haier unit is a **good value** and will serve you well for most applications. Always ensure you **check for authenticity** when purchasing to avoid counterfeit units.

Details:

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Whatever you want. Each of our appliance parts also gets inspected multiple times. Haier 50043393B00120 Main Board / Power Supply: Supply, Part Number: 50043393B00120, Visible TP.MS3393.PB713, Warranty: 180-Day Warranty. Let's start your repair journey today.

part #: 50043393b00120 price

• $44.18

specifications tvboardgo:

• brand: Haier
• mpn: 50043393b00120
• part type: Board Supply

seller tvboardgo:

• rating: 99.2%
• # reviews: 97491
• city: Burnsville, Minnesota

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• cost: $0.00
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general tvboardgo:

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

offer tvboardgo:

• availability: In Stock
• sold: 0
• started: May 9, 2026
• quantity: 1
• options: Ship-to-home

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