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Apevia ITX-PFC500W Mini ITX/Flex ATX / 1U 500W vs Seasonic VERTEX GX-1200 - 1200W - 80+ Gold - ATX

Updated August 2026 — Seasonic VERTEX GX-1200 - 1200W - 80+ Gold - ATX leads on warranty and compatibility.

The Seasonic VERTEX GX-1200 offers superior power, efficiency, and build quality compared to the Apevia ITX-PFC500W. For high-performance needs, the Seasonic is the clear choice.

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

Price

Apevia is significantly cheaper.

Size

Apevia is more compact for small builds.

Basic Use

Apevia is sufficient for low-demand systems.

Why Seasonic VERTEX GX-1200 - 1200W - 80+ Gold - ATX is better

Power Output

Seasonic provides 1200W compared to 500W.

Efficiency

Seasonic is 80 PLUS Gold certified.

Warranty

Seasonic offers a 12-year warranty.

Overall score

Apevia ITX-PFC500W Mini ITX/Flex ATX / 1U 500W
55
Seasonic VERTEX GX-1200 - 1200W - 80+ Gold - ATX
85

Specifications

SpecApevia ITX-PFC500W Mini ITX/Flex ATX / 1U 500WSeasonic VERTEX GX-1200 - 1200W - 80+ Gold - ATX
Power500W1200W
EfficiencyN/A80 PLUS Gold
ModularityFully ModularFully Modular
Cooling40mm Fan135mm Fan
WarrantyN/A12 Years

Dimension comparison

Apevia ITX-PFC500W Mini ITX/Flex ATX / 1U 500WSeasonic VERTEX GX-1200 - 1200W - 80+ Gold - ATX

Overview

In the world of power supplies, the choice between the Apevia ITX-PFC500W Mini ITX and the Seasonic VERTEX GX-1200 can significantly impact your system's performance. With the Apevia priced at $49.99 and the Seasonic at $239.99, the price difference is about 380%. This article will compare these two power supplies in various categories to help you determine which is the better choice for your needs.

Power Output

The power output is a crucial factor in selecting a power supply. The Apevia ITX-PFC500W offers a maximum power of 500W, while the Seasonic VERTEX GX-1200 boasts an impressive 1200W power output. This means the Seasonic provides 140% more power than the Apevia, making it suitable for more demanding systems, especially those with high-end graphics cards or multiple components. If you're building a gaming rig or a workstation that requires significant power, the Seasonic’s output is a clear advantage.

Efficiency Rating

Efficiency ratings can affect both performance and energy costs over time. The Seasonic VERTEX GX-1200 is 80 PLUS Gold certified, ensuring high energy efficiency and lower electricity bills. In contrast, the Apevia ITX-PFC500W lacks a specified efficiency certification, which could suggest lower efficiency and potentially higher operational costs. The Seasonic’s efficiency can translate to long-term savings, making it a more economical choice for users who plan to run their systems continuously.

Modularity

Modularity in power supplies affects cable management and customization. Both the Apevia ITX-PFC500W and the Seasonic VERTEX GX-1200 are fully modular, allowing users to connect only the cables they need. This feature enhances airflow within the case and reduces clutter. However, the Seasonic comes with advanced features such as a 12VHPWR cable, specifically designed for the latest graphics cards, making it more future-proof. If you prioritize optimal cable management, both options excel, but the Seasonic offers additional support for modern components.

Cooling Solutions

Effective cooling is essential for maintaining system stability and performance. The Apevia features a 40mm double ball-bearing fan, while the Seasonic employs a larger 135mm Fluid Dynamic Bearing fan. The bigger fan in the Seasonic allows for quieter operation and better airflow, particularly under load. Moreover, the Seasonic includes Hybrid Silent Fan Control, which optimizes cooling based on the system's needs. This makes the Seasonic a superior choice for those looking to maintain a quiet and cool operating environment.

Connector Options

Connector options can dictate how well a power supply can support various components. The Apevia ITX-PFC500W includes a 20+4 pin main power connector, an 8-pin 12V connector, two 6+2 PCIe connectors, two SATA connectors, and two 4-pin Molex connectors. On the other hand, the Seasonic VERTEX GX-1200's specifications suggest a more extensive range of connectors, including those necessary for modern GPUs. The comprehensive connectivity of the Seasonic ensures compatibility with a wider variety of systems, especially as newer components continue to evolve.

Build Quality and Reliability

Build quality and reliability are paramount when selecting a power supply. The Seasonic VERTEX GX-1200 features premium Japanese capacitors and offers a 12-year warranty, indicating a strong commitment to durability and quality. In comparison, the Apevia does not mention any specific high-quality components or warranty duration. This substantial difference in build quality assurance makes the Seasonic a more reliable investment, especially for users who rely on their systems for critical tasks.

Price Comparison

The price difference between these two power supplies is significant, with the Apevia ITX-PFC500W at $49.99 and the Seasonic VERTEX GX-1200 priced at $239.99. This makes the Seasonic about 380% more expensive than the Apevia. While the Apevia may be suitable for budget builds or less demanding applications, the Seasonic justifies its higher price through superior performance, efficiency, and longevity.

Which should you buy?

Choosing between the Apevia ITX-PFC500W and the Seasonic VERTEX GX-1200 ultimately depends on your specific needs and budget. If you're building a basic system or a compact setup where space and power requirements are minimal, the Apevia is a cost-effective choice at $49.99. However, for users seeking maximum performance, efficiency, and long-term reliability, the Seasonic VERTEX GX-1200 at $239.99 is the superior option, offering significantly higher power output, better cooling solutions, and a robust warranty.