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Segotep 650W 80 Plus Gold Certified Non-Modular vs Thermaltake Toughpower GT 850W ATX 3.1 Standard

Updated August 2026 — Thermaltake Toughpower GT 850W ATX 3.1 Standard leads on modularity and warranty.

The Thermaltake Toughpower GT 850W is the superior choice for high performance and modern compatibility, while the Segotep 650W is a budget-friendly option.

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

Price

Segotep is significantly cheaper at $49.99.

Simplicity

Non-modular design can be easier for basic builds.

Global Adaptation

Segotep offers global voltage adaptation.

Why Thermaltake Toughpower GT 850W ATX 3.1 Standard is better

Power Output

Thermaltake provides 850W compared to Segotep's 650W.

Modular Design

Thermaltake's fully modular design improves cable management.

Noise Control

Smart Zero Fan technology minimizes noise.

Overall score

Segotep 650W 80 Plus Gold Certified Non-Modular
65
Thermaltake Toughpower GT 850W ATX 3.1 Standard
85

Specifications

SpecSegotep 650W 80 Plus Gold Certified Non-ModularThermaltake Toughpower GT 850W ATX 3.1 Standard
Certification80 Plus Gold80 Plus Gold
ModularityNon-ModularFully Modular
Fan TechnologyStandard FanSmart Zero Fan
PCIe Support6+2 Pin12+4 Pin
Voltage AdaptationGlobalStandard

Dimension comparison

Segotep 650W 80 Plus Gold Certified Non-ModularThermaltake Toughpower GT 850W ATX 3.1 Standard

Price Comparison

The Segotep 650W is priced at $49.99, making it about 17% cheaper than the Thermaltake Toughpower GT 850W, which retails for $95.52. This significant price difference might be a deciding factor for budget-conscious consumers. While the lower price of the Segotep may seem attractive, it's essential to consider what you get for that price in terms of features and performance.

Power Output

In terms of power output, the Thermaltake Toughpower GT 850W offers a substantial advantage with its 850W capacity compared to the Segotep's 650W. This 200W difference means the Thermaltake is better suited for high-performance gaming rigs or workstations that require more power, particularly if you're planning to use high-end GPUs. The additional power can translate into better system stability under heavy loads, making it a more future-proof choice.

Efficiency Ratings

Both power supplies boast an 80 Plus Gold certification, which indicates high efficiency. The Segotep 650W guarantees exceptional efficiency, while the Thermaltake Toughpower GT 850W promises up to 90% efficiency. While both units will help reduce energy consumption and heat output, the Thermaltake's efficiency at higher loads can be particularly beneficial for users who intend to run demanding applications.

Design and Build

The Segotep 650W features a non-modular design, which may create some cable management challenges. However, it does provide four PCI-E 6+2 pin connectors, allowing for flexibility in connecting multiple components. On the other hand, the Thermaltake Toughpower GT is fully modular, featuring low-profile flat black cables that simplify cable management and improve airflow inside the case. This design is particularly advantageous for those who prioritize aesthetics or efficient airflow in their builds.

Noise Levels

The Thermaltake Toughpower GT includes Smart Zero Fan technology, which automatically adjusts the fan speed based on load, minimizing noise during low-load operations. This feature is ideal for users who desire a quieter computing experience, especially during less demanding tasks. In contrast, the Segotep does not mention any specific noise-reduction technologies, so its operational noise levels may be higher under similar conditions.

Compatibility

The Thermaltake Toughpower GT is designed to meet modern power demands with ATX 3.1 and PCIe 5.1 support, making it a great choice for gamers and professionals using the latest hardware. Its native PCIe 12V-2x6 (12+4 pin) connectors are optimized for modern GPUs. While the Segotep 650W does offer global voltage adaptation and multiple PCI-E connections, it lacks the same level of modern compatibility and may not support future graphics cards as effectively as the Thermaltake.

Warranty and Support

The Thermaltake Toughpower GT comes with a 5-year warranty, offering peace of mind for users investing in a more expensive power supply. In contrast, the Segotep does not specify any warranty period, which could be a point of concern for potential buyers who value long-term reliability. A longer warranty often reflects the manufacturer's confidence in their product's durability and performance.

Which should you buy?

Choosing between the Segotep 650W and the Thermaltake Toughpower GT 850W ultimately depends on your specific needs and budget. If you're looking for a budget-friendly option and your power requirements are moderate, the Segotep is a viable choice. However, for those who prioritize high power output, efficiency, and modern compatibility, the Thermaltake Toughpower GT is the superior option despite its higher price. The 200W increase in power capacity, modular design, and advanced features like Smart Zero Fan technology make it a better investment for demanding users.