When it comes to the global power supply (PSU) market, few names carry the weight and legacy of Seasonic. With over four decades of experience, Seasonic has firmly established itself not just as a premium brand, but as a pioneer and leading OEM in the PSU industry.

In this article, we examine what sets Seasonic apart from other manufacturers — from build quality and technological innovation to warranty policies, industry recognition, pricing, and market position — and explore how their latest developments in 2025 are shaping the future of power delivery.