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Segotep 650W 80 Plus Gold Certified Non-Modular vs Thermaltake Smart 500W 80+ White Certified PSU,

Updated July 2026 — Segotep 650W 80 Plus Gold Certified Non-Modular wins on power and price, Thermaltake Smart 500W 80+ White Certified PSU, wins on warranty.

The Segotep 650W offers superior power output and efficiency compared to the Thermaltake Smart 500W, making it the better choice for demanding systems.

Why Segotep 650W 80 Plus Gold Certified Non-Modular is better

Power Output

Segotep provides 650W compared to Thermaltake's 500W.

Efficiency

Segotep has 80+ Gold certification versus Thermaltake's 80+ White.

Connectors

Segotep includes four PCI-E 6+2 pin connectors, more than Thermaltake's two.

Why Thermaltake Smart 500W 80+ White Certified PSU, is better

Price

Thermaltake is priced lower at $39.99.

Warranty

Thermaltake offers a 5-year warranty.

Noise Level

Both are quiet, but Thermaltake is designed for ultra-quiet operation.

Overall score

Segotep 650W 80 Plus Gold Certified Non-Modular
85
Thermaltake Smart 500W 80+ White Certified PSU,
75

Specifications

SpecSegotep 650W 80 Plus Gold Certified Non-ModularThermaltake Smart 500W 80+ White Certified PSU,
Certification80+ Gold80+ White
ModularityNon-ModularNon-Modular
PFCActiveActive
Cooling TypeSilent FanUltra Quiet Fan
MTBFN/A100,000 hrs

Dimension comparison

Segotep 650W 80 Plus Gold Certified Non-ModularThermaltake Smart 500W 80+ White Certified PSU,

Overview of the Power Supplies

When comparing the Segotep 650W 80 Plus Gold Certified Non-Modular ATX Power Supply and the Thermaltake Smart 500W 80+ White Certified PSU, the differences in output capacity and efficiency are significant. The Segotep model offers a higher power output of 650W, while the Thermaltake provides 500W. This 150W difference can be crucial for high-demand systems, especially those with powerful graphics cards or multiple components.

Additionally, the Segotep power supply boasts an impressive 80+ Gold certification, indicating superior energy efficiency, while the Thermaltake has an 80+ White certification, which is less efficient. These factors may greatly influence your choice depending on your power requirements and efficiency preferences.

Pricing Comparison

The Segotep 650W is priced at $49.99, while the Thermaltake Smart 500W is available for $39.99. This makes the Segotep about 25% more expensive than the Thermaltake. However, the price difference can be justified by the higher output power and efficiency of the Segotep model. For users with demanding systems that require additional power, the higher initial investment in the Segotep may pay off in performance and energy savings over time.

If budget constraints are a primary concern, the Thermaltake Smart 500W offers a more economical choice without sacrificing basic functionality. It can be a suitable option for less demanding builds where cost efficiency is key.

Efficiency Ratings

The Segotep power supply stands out with its 80+ Gold certification, which guarantees exceptional efficiency levels, while the Thermaltake features an 80+ White certification. This translates to the Segotep providing up to 90% efficiency under typical loads, compared to the Thermaltake's maximum of around 86%.

The improved efficiency of the Segotep means it will waste less energy as heat, potentially leading to lower electricity bills and a cooler operating environment. For users aiming to build an energy-efficient system, the Segotep may be the more appealing option due to its superior efficiency ratings.

Design and Build Quality

In terms of design, the Segotep 650W is a non-modular power supply, which helps to keep cable management tidy and promotes better airflow within the case. This design choice can significantly impact the overall aesthetic and thermal performance of a gaming rig. The Segotep also includes a single 12V output for higher power usage, making it ideal for demanding applications.

On the other hand, the Thermaltake Smart 500W also features a non-modular design, but with a lower maximum output. While it does not provide the same level of high amperage support, it still complies with Intel ATX 12 Volt 2.31 and EPS 12V 2.92 standards. Both models are well-constructed with high-quality components, but the Segotep may have the edge for users needing more robust power delivery.

Cooling Solutions

Cooling performance is essential for maintaining system stability and longevity. The Segotep 650W comes with a 120mm silent fan designed to provide effective cooling while minimizing noise. This is crucial for gamers who prefer a quieter system during intense gaming sessions.

Similarly, the Thermaltake Smart 500W is equipped with a 120mm ultra-quiet cooling fan. This ensures that even under load, the PSU maintains a low noise level, making it suitable for quieter builds. While both power supplies have effective cooling solutions, the higher output capacity of the Segotep may require slightly more robust cooling to handle the additional heat generated during peak performance.

Connectivity Options

The Segotep power supply includes four PCI-E 6+2 pin connectors, allowing for compatibility with more powerful graphics cards, particularly those from the latest generation. This enhances its appeal for gamers and enthusiasts looking to build high-performance systems.

In contrast, the Thermaltake Smart 500W supports two PCI-E 6+2 pin connectors. While this is sufficient for many mainstream builds, users planning to use multiple high-end GPUs may find the Segotep's additional connectors beneficial. The enhanced connectivity of the Segotep is a strong selling point for users with demanding graphics needs.

Warranty and Reliability

Reliability is a key concern for any computer component, and both power supplies come with manufacturer warranties. The Segotep 650W does not specify a warranty period, while the Thermaltake Smart 500W offers a generous 5-year warranty. This longer warranty can provide peace of mind, particularly for users who plan to run their systems continuously or rely heavily on their power supply for performance.

The Thermaltake's warranty coverage may also reflect its build quality and reliability, making it a trustworthy option for users who prioritize long-term usage. Conversely, the lack of a specified warranty on the Segotep could be a drawback for potential buyers seeking assurance on their investment.

Which should you buy?

In deciding between the Segotep 650W 80 Plus Gold Certified Non-Modular ATX Power Supply and the Thermaltake Smart 500W 80+ White Certified PSU, consider your specific needs. If you require higher power output and efficiency for a demanding build, the Segotep is the clear winner with its 650W capacity and 80+ Gold certification. However, if you are working with a tighter budget and a less power-hungry system, the Thermaltake Smart 500W offers solid performance and a longer warranty at a lower price point. Ultimately, your choice should align with your individual power requirements and budget considerations.