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Apevia ITX-PFC500W Mini ITX/Flex ATX / 1U 500W vs Apevia SPIRIT600W Spirit 600W ATX Power Supply

Updated August 2026 — Apevia ITX-PFC500W Mini ITX/Flex ATX / 1U 500W wins on modularity, Apevia SPIRIT600W Spirit 600W ATX Power Supply wins on power output and cooling.

The Apevia ITX-PFC500W is ideal for compact builds, while the Apevia SPIRIT600W offers better value for larger setups.

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

Compact Design

Better suited for small form factor PCs.

Modular Cables

Allows for reduced clutter in small builds.

Active PFC

Operates efficiently across a wide voltage range.

Why Apevia SPIRIT600W Spirit 600W ATX Power Supply is better

Higher Power

Offers 600W output for demanding systems.

Cooling Efficiency

Larger fan provides quieter operation.

Price

More affordable at $33.99.

Overall score

Apevia ITX-PFC500W Mini ITX/Flex ATX / 1U 500W
75
Apevia SPIRIT600W Spirit 600W ATX Power Supply
85

Specifications

SpecApevia ITX-PFC500W Mini ITX/Flex ATX / 1U 500WApevia SPIRIT600W Spirit 600W ATX Power Supply
Power Output500W600W
Cooling Fan40mm120mm
ModularityFully ModularNon-Modular
Protection Features5 Protections6 Protections
Price$49.99$33.99

Dimension comparison

Apevia ITX-PFC500W Mini ITX/Flex ATX / 1U 500WApevia SPIRIT600W Spirit 600W ATX Power Supply

Overview of the Products

The Apevia ITX-PFC500W Mini ITX/Flex ATX Power Supply is priced at $49.99, while the Apevia SPIRIT600W Spirit 600W ATX Power Supply is available for $33.99. The price difference of about $16 signifies a notable choice for budget-conscious consumers. Both products are designed for different use cases, with the former targeting small form factor PCs and the latter catering to standard ATX systems. Their specifications and features reflect these distinctions, making it essential to understand their unique offerings before making a purchase.

Design and Build Quality

The Apevia ITX-PFC500W Mini ITX/Flex ATX boasts a compact design, measuring 160mm x 73.66mm x 35.5mm, which is ideal for small cases. This power supply features a fully modular design, allowing users to connect only the cables they need, reducing clutter and improving airflow. In contrast, the Apevia SPIRIT600W features a black sandblasted casing and a larger form factor, designed to fit standard ATX cases. Both units emphasize practicality, but the ITX-PFC500W is specifically tailored for limited spaces, making it a better option for compact builds.

Power Output and Efficiency

The Apevia ITX-PFC500W provides a maximum output of 500W, while the Apevia SPIRIT600W offers a slightly higher capacity at 600W. However, the ITX-PFC500W is designed with a full range active PFC that operates efficiently between 90-264V AC. This makes it suitable for various environments, including POS and AIO systems. The SPIRIT600W, while having a higher wattage, supports dual, quad, and multi-core CPUs, which may be advantageous for gaming or high-performance tasks. The better efficiency of the ITX-PFC500W might be beneficial for users who prioritize energy savings.

Cooling Mechanisms

The cooling solutions differ significantly between the two power supplies. The Apevia ITX-PFC500W utilizes a 40mm double ball bearing fan for forced air ventilation, which is adequate for compact builds but may be noisier under load due to its smaller size. Conversely, the Apevia SPIRIT600W employs a larger 120mm auto-thermally controlled fan, providing more effective cooling with potentially quieter operation. This larger fan can better handle high-performance components, making the SPIRIT600W more suitable for power-hungry gaming setups.

Connector Options

In terms of connectivity, the Apevia ITX-PFC500W offers a variety of connectors, including 1 x 20+4pin Main Power, 1 x 8pin 12V, and 2 x 6+2 PCIE, among others. This range allows for flexibility in cable management for small form factor builds. The SPIRIT600W, on the other hand, provides additional connectors, such as 4 x SATA and 4 x Molex, which caters to users who require multiple drives or peripherals. While both power supplies offer essential connectors, the SPIRIT600W's options may appeal more to users with extensive setups.

Protection Features

Both power supplies are equipped with important protective features. The Apevia ITX-PFC500W includes overvoltage, overload, overcurrent, heating, and short circuit protection, ensuring a safe operating environment for your components. Similarly, the Apevia SPIRIT600W offers heavy-duty protections, including short-circuit, over-current, over-voltage, over-power, under-voltage, and over-temperature safeguards. While both models provide robust protection, the comprehensive nature of the SPIRIT600W's protective features might offer additional peace of mind for users pushing their systems to the limits.

Price Comparison

The Apevia ITX-PFC500W is priced at $49.99, while the Apevia SPIRIT600W is available for $33.99, making the SPIRIT600W about 34% cheaper. This price point may attract budget-minded buyers looking for a reliable power supply without sacrificing performance. However, the ITX-PFC500W’s higher price reflects its specific design for compact builds, which might justify the cost for users in need of a power supply for smaller systems.

Which should you buy?

Choosing between the Apevia ITX-PFC500W and the Apevia SPIRIT600W depends largely on your specific needs. If you're building a small form factor PC, the compact design and modular capabilities of the ITX-PFC500W may suit you best despite its higher price. Conversely, if you're looking for a more powerful unit with greater cooling efficiency and flexibility for larger setups, the SPIRIT600W offers better value at a lower price point. Ultimately, consider your build requirements and budget to make the most informed decision.