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Apevia ITX-PFC500W Mini ITX/Flex ATX / 1U 500W vs Seasonic CORE GX 650W Power Supply ATX 3.1 PCIe

Updated August 2026 — Seasonic CORE GX 650W Power Supply ATX 3.1 PCIe leads on warranty and efficiency.

The Seasonic CORE GX 650W offers superior power capacity and efficiency, making it the better choice for high-performance systems.

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

Price

Apevia is 50% cheaper than Seasonic.

Size

Apevia is more compact for small builds.

Flexibility

Apevia has versatile connector options.

Why Seasonic CORE GX 650W Power Supply ATX 3.1 PCIe is better

Power

Seasonic provides 650W compared to 500W.

Efficiency

Seasonic is 80 PLUS Gold certified.

Warranty

Seasonic has a 7-year warranty.

Overall score

Apevia ITX-PFC500W Mini ITX/Flex ATX / 1U 500W
70
Seasonic CORE GX 650W Power Supply ATX 3.1 PCIe
85

Specifications

SpecApevia ITX-PFC500W Mini ITX/Flex ATX / 1U 500WSeasonic CORE GX 650W Power Supply ATX 3.1 PCIe
Max Power500W650W
EfficiencyN/A80 PLUS Gold
WarrantyN/A7 Years
ModularityFully ModularFully Modular
Cooling40mm FanOptiSink Design

Dimension comparison

Apevia ITX-PFC500W Mini ITX/Flex ATX / 1U 500WSeasonic CORE GX 650W Power Supply ATX 3.1 PCIe

Overview of the Products

In this comparison, we’ll delve into the differences between the Apevia ITX-PFC500W Mini ITX/Flex ATX Power Supply and the Seasonic CORE GX 650W Power Supply. The Apevia model is priced at $49.99, whereas the Seasonic variant is available for $99.99. This makes the Apevia about 50% cheaper than the Seasonic. Both are fully modular power supplies, but they cater to different use cases and power requirements.

Power Output and Efficiency

The Apevia ITX-PFC500W provides a maximum power output of 500W, while the Seasonic CORE GX ups the ante with 650W. This 30% increase in power capacity could be critical for systems with high-performance components, such as gaming rigs. Moreover, the Seasonic boasts an 80 PLUS Gold certification, ensuring better energy efficiency compared to standard power supplies. The Apevia does not provide an efficiency rating, which may be a consideration for users focused on reducing energy consumption.

Form Factor and Design

When it comes to size, the Apevia is designed for compact builds with its Mini ITX/Flex ATX form factor, making it suitable for smaller cases. Its dimensions are 160mm x 73.66mm x 35.5mm, allowing for flexibility in tight spaces. On the other hand, the Seasonic is an ATX form factor power supply, which is generally larger but standard for most mid to full-sized cases. Users with space constraints may prefer the Apevia for its smaller footprint, while those building standard-sized systems will find the Seasonic a more compatible choice.

Connector Compatibility

The Apevia ITX-PFC500W includes essential connectors like 1 x 20+4pin Main Power, 1 x 8pin CPU connector, and 2 x 6+2 PCIe connectors, making it versatile for various setups. It allows splitting of connectors for different motherboard requirements, which adds to its flexibility. In comparison, the Seasonic CORE GX provides a native 12V-2x6 connector and is PCIe 5.1 ready, making it well-suited for modern graphics cards like the NVIDIA RTX 5060 Ti and AMD RX 9000 series. This could be a significant advantage for gamers or those using high-end graphics setups.

Cooling Mechanisms

Cooling is crucial for maintaining the longevity and performance of a power supply. The Apevia features a 40mm double ball bearing fan designed for forced air ventilation. This smaller fan may be less effective in larger builds compared to the Seasonic, which employs an OptiSink design for enhanced heat dissipation. Efficient cooling is particularly important for high-powered systems, and the Seasonic’s design may provide superior thermal management.

Warranty and Reliability

The Seasonic CORE GX comes with a remarkable 7-year warranty, reflecting confidence in its durability and reliability. In contrast, the warranty details for the Apevia are not specified, which may raise concerns about its long-term reliability. Users who prioritize warranty and manufacturer support may find the Seasonic to be the safer choice, especially for investment in high-performance systems.

Price Consideration

With the Apevia priced at $49.99 and the Seasonic at $99.99, the price difference is significant, making the Apevia about 50% less expensive. This cost-effectiveness might appeal to budget-conscious users or those building entry-level systems. However, the price of the Seasonic is justified by its higher power capacity, efficiency rating, and extended warranty, which may provide better long-term value for more demanding applications.

Which should you buy?

Choosing between the Apevia ITX-PFC500W and the Seasonic CORE GX 650W ultimately depends on your specific needs. If you’re looking for an affordable option suitable for a compact build or a basic system, the Apevia is a compelling choice at $49.99. However, for users building high-performance gaming rigs or workstations that require more power and efficiency, the Seasonic’s 650W capacity, 80 PLUS Gold rating, and 7-year warranty make it worth the investment at $99.99. Each product has its strengths, so your decision should align with your performance requirements and budget constraints.