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Apevia ITX-PFC500W Mini ITX/Flex ATX / 1U 500W vs Thermaltake Toughpower GT 850W ATX 3.1 Standard

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

The Thermaltake Toughpower GT 850W is the superior choice for high-performance needs, while the Apevia ITX-PFC500W is a budget-friendly option for basic builds.

Why Apevia ITX-PFC500W Mini ITX/Flex ATX / 1U 500W is better

Price

Apevia is significantly cheaper.

Size

Apevia is more compact.

Basic Use

Apevia is suitable for basic systems.

Why Thermaltake Toughpower GT 850W ATX 3.1 Standard is better

Power Output

Thermaltake offers 850W compared to 500W.

Efficiency

Thermaltake is 80 PLUS Gold rated.

Cooling

Thermaltake has superior cooling technology.

Overall score

Apevia ITX-PFC500W Mini ITX/Flex ATX / 1U 500W
65
Thermaltake Toughpower GT 850W ATX 3.1 Standard
85

Specifications

SpecApevia ITX-PFC500W Mini ITX/Flex ATX / 1U 500WThermaltake Toughpower GT 850W ATX 3.1 Standard
Max Output500W850W
EfficiencyN/A80 PLUS Gold
ModularFullyFully
Cooling Tech40mm FanSmart Zero Fan
WarrantyN/A5 Years

Dimension comparison

Apevia ITX-PFC500W Mini ITX/Flex ATX / 1U 500WThermaltake Toughpower GT 850W ATX 3.1 Standard

Design and Build Quality

The design and build quality of a power supply can significantly influence its performance and reliability. The Apevia ITX-PFC500W Mini ITX/Flex ATX features a fully modular design, which allows for easy cable management and installation in compact builds. Its dimensions are 160mm x 73.66mm x 35.5mm, making it suitable for small form factor systems. In contrast, the Thermaltake Toughpower GT 850W boasts a robust build with an ATX 3.1 standard, which ensures compatibility with modern hardware. It also features a fully modular design, making cable management straightforward. The Toughpower GT is slightly larger, measuring 150mm x 86mm x 140mm, which may be a consideration for users with limited space.

Power Output and Efficiency

When it comes to power output and efficiency, the Thermaltake Toughpower GT 850W outshines the Apevia ITX-PFC500W. The Toughpower GT provides a maximum output capacity of 850W, compared to the 500W offered by the Apevia model. This makes the Thermaltake better suited for high-performance gaming rigs or workstations that demand more power. Additionally, the Toughpower GT is rated as 80 PLUS Gold efficient, meaning it can deliver up to 90% efficiency during operation, reducing energy consumption and heat output. In contrast, while the Apevia does not have an efficiency certification listed, its maximum output of 500W is sufficient for basic builds.

Cooling Solutions

Effective cooling is crucial for maintaining optimal performance in a power supply. The Apevia ITX-PFC500W utilizes a 40mm double ball bearing fan for forced air ventilation, which helps to keep the unit cool during operation. However, the small fan size may limit its cooling capabilities under heavy loads. On the other hand, the Thermaltake Toughpower GT features Smart Zero Fan technology, which automatically adjusts the fan speed based on load. This minimizes noise during low-load operations while ensuring efficient cooling during higher loads. The Toughpower GT is equipped with a larger 120mm hydraulic bearing fan, providing superior cooling efficiency compared to the Apevia.

Compatibility and Connectivity

Compatibility and connectivity are essential factors to consider when choosing a power supply. The Apevia ITX-PFC500W is designed with several connectors, including 1 x 20+4pin Main Power, 1 x 8pin 12V, and 2 x PCIe 6+2 connections. This variety makes it suitable for a range of systems, particularly those requiring a compact power supply unit. In contrast, the Thermaltake Toughpower GT includes native PCIe 12V-2x6 (12+4 pin) connectors, making it fully compatible with the latest GPUs. Its support for ATX 3.1 standards positions it as a more future-proof option. While the Apevia offers good connectivity for basic setups, the Thermaltake is better suited for high-end components.

Warranty and Customer Support

Warranty and customer support can greatly affect the long-term satisfaction of power supply users. The Apevia ITX-PFC500W does not specify a warranty period, leaving potential buyers uncertain about post-purchase support. In contrast, the Thermaltake Toughpower GT comes with a 5-year warranty, providing assurance of reliability and quality. This extended warranty, combined with Thermaltake's reputation for customer service, may make the Toughpower GT a more appealing option for those seeking peace of mind with their purchase.

Price Comparison

Price is a significant factor when choosing between the two power supplies. The Apevia ITX-PFC500W is priced at $49.99, making it about 17% cheaper than the Thermaltake Toughpower GT, which retails for $95.52. While the Apevia may be a more budget-friendly option, it is essential to consider the power output and features offered by each unit. If you are looking for a reliable power supply for a basic system, the Apevia could suffice. However, for those with higher performance needs, investing in the Thermaltake might prove more economical in the long run.

User Experience and Reviews

User experience and reviews play a vital role in understanding a product's reliability and performance. While specific sales ranks for these products are not provided, the Thermaltake Toughpower GT is likely to receive favorable reviews due to its high efficiency, robust build quality, and Smart Zero Fan technology. Users of the Toughpower GT often praise its quiet operation and stable power delivery, which are crucial for gaming and workstation setups. In contrast, the Apevia ITX-PFC500W may attract users looking for a compact, budget-friendly solution, but it may not have the same level of acclaim or features as its competitor.

Which should you buy?

In conclusion, the choice between the Apevia ITX-PFC500W Mini ITX/Flex ATX and the Thermaltake Toughpower GT 850W ultimately depends on your specific needs and budget. If you require a compact power supply for a basic build and are looking for a budget option, the Apevia may be suitable. However, for users looking for higher power output, efficiency, and better cooling solutions, the Thermaltake Toughpower GT is the superior choice. Its extended warranty and compatibility with modern hardware make it a worthwhile investment for those seeking reliable performance.