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Apevia ITX-PFC500W Mini ITX/Flex ATX / 1U 500W vs Thermaltake Smart 500W 80+ White Certified PSU,

Updated July 2026 — Apevia ITX-PFC500W Mini ITX/Flex ATX / 1U 500W wins on length, Thermaltake Smart 500W 80+ White Certified PSU, wins on height and fan size.

The Thermaltake Smart 500W offers better efficiency, quieter operation, and a longer warranty, making it the superior choice for most users.

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

Modularity

Fully modular design for better cable management

Size

Compact dimensions for small form factor builds

Safety

Multiple safety features for hardware protection

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

Price

Lower price point at $39.99

Efficiency

80 PLUS certification for better energy efficiency

Warranty

5-year warranty for reliability assurance

Overall score

Apevia ITX-PFC500W Mini ITX/Flex ATX / 1U 500W
70
Thermaltake Smart 500W 80+ White Certified PSU,
85

Specifications

SpecApevia ITX-PFC500W Mini ITX/Flex ATX / 1U 500WThermaltake Smart 500W 80+ White Certified PSU,
Power Output500W500W
EfficiencyNot specifiedUp to 86%
ModularFully ModularNon-Modular
Cooling Fan40mm120mm
WarrantyNot specified5 years

Dimension comparison

Apevia ITX-PFC500W Mini ITX/Flex ATX / 1U 500WThermaltake Smart 500W 80+ White Certified PSU,

Overview of the Products

The Apevia ITX-PFC500W Mini ITX/Flex ATX Power Supply is priced at $49.99, while the Thermaltake Smart 500W 80+ White Certified PSU is slightly cheaper at $39.99, making it about 17% less expensive. Both products are designed to deliver reliable power for various systems, but they cater to different user needs based on their specifications and features.

Power Output and Efficiency

Both power supplies offer a continuous output of 500 watts, which is suitable for standard system builds. However, the Thermaltake Smart 500W boasts an 80 PLUS certification, indicating an efficiency of up to 86% under typical loads. This certification means that it is designed to waste less energy and generate less heat compared to non-certified models. The Apevia ITX-PFC500W does not specify an efficiency rating, which could be a concern for users looking for energy-efficient components.

Modular Design

The Apevia ITX-PFC500W features a fully modular design, allowing users to connect only the cables they need for their specific setup. This design minimizes cable clutter and improves airflow within the case. In contrast, the Thermaltake Smart 500W does not mention a modular design, suggesting that it may come with fixed cables that could potentially lead to a messier installation. For users prioritizing aesthetics and airflow, the modularity of the Apevia unit is a significant advantage.

Cooling Mechanism

Cooling is crucial for power supplies, and both units offer different solutions. The Apevia ITX-PFC500W utilizes a 40mm double ball bearing fan for ventilation, which is effective but may not be as quiet as larger fans. The Thermaltake Smart 500W, however, comes equipped with a 120mm ultra-quiet cooling fan, designed to provide excellent airflow at a low noise level. This makes the Thermaltake option more appealing for users sensitive to noise, especially in home or office environments.

Compatibility and Connectors

When it comes to connectivity, both power supplies offer essential connectors for modern systems. The Apevia ITX-PFC500W provides a variety of connections, including 1 x 20+4pin Main Power, 1 x 8pin 12V, 2 x 6+2 PCIe, and others, making it versatile for various setups. The Thermaltake Smart 500W also supports 2 PCIe 6+2pin connectors, ensuring compatibility with graphics cards. However, the Apevia’s ability to split connectors for different motherboard requirements gives it an edge in flexibility, catering to a broader range of builds.

Safety Features

Safety features are critical in preventing hardware damage due to electrical issues. The Apevia ITX-PFC500W is equipped with multiple protections, including Overvoltage Protection (OVP), Overload Protection (OLP), Overcurrent Protection (OCP), Heating Protection (OTP), and Short Circuit Protection (SCP). The Thermaltake Smart 500W also includes essential protections such as Over Power Protection (OPP), Over Voltage Protection (OVP), and Short Circuit Protection (SCP). While both units offer robust protection, the comprehensive safety features of the Apevia model provide extra reassurance for users.

Dimensions and Form Factor

The dimensions of the power supplies indicate their intended form factors. The Apevia ITX-PFC500W is designed to fit Mini ITX and Flex ATX cases, with compact dimensions of 160mm x 73.66mm x 35.5mm. This makes it an ideal choice for small form factor builds. In contrast, the Thermaltake Smart 500W has a more traditional ATX size of 86mm x 150mm x 140mm, making it better suited for standard cases. Users with space constraints should consider these dimensions when making their choice.

Warranty and Reliability

Warranty can be a critical factor in determining the reliability of a power supply. The Thermaltake Smart 500W comes with a 5-year warranty, which is a strong commitment to product durability and reliability. Unfortunately, there is no mention of a warranty for the Apevia ITX-PFC500W in the provided data, which may leave potential buyers with concerns about long-term support. A longer warranty often indicates the manufacturer's confidence in their product, making the Thermaltake a safer bet for reliability.

Which should you buy?

When deciding between the Apevia ITX-PFC500W and the Thermaltake Smart 500W, consider your specific needs. If you require a compact, fully modular power supply with multiple safety features, the Apevia model may be the better option despite its higher price. On the other hand, if you are looking for a cost-effective solution with good efficiency, quieter operation, and a solid warranty, the Thermaltake Smart 500W stands out as the superior choice. Ultimately, your decision should be influenced by your system requirements, budget, and preferences regarding noise and modularity.