SeaSonic USA - High-Quality Power Supplies & Computer Components

Discover SeaSonic USA: Your Trusted Partner for High-Quality Power Solutions

Welcome to SeaSonic USA, your one-stop destination for Power Supplies, International Power Cords, and Computer Cases. We are committed to delivering reliable, innovative, and high-quality products that cater to the needs of PC enthusiasts and professionals worldwide. Whether you're building a new system or upgrading your current setup, SeaSonic USA has everything you need to ensure optimal performance and safety.

Premium Power Supplies for Every Need

At the heart of our product lineup are our Power Supplies, designed to deliver consistent power and efficiency. We offer a wide range of models, from compact units for budget builds to high-wattage solutions for powerful gaming rigs and workstations. Our power supplies are built with cutting-edge technology and rigorous testing to ensure they meet the highest industry standards, providing long-term reliability for your system.

Universal Connectivity with International Power Cords

For users operating in multiple countries or regions, our International Power Cords are an essential addition. These versatile cables allow you to plug into various global outlets, ensuring compatibility and convenience wherever you go. Whether you're traveling for business, relocating, or simply want the flexibility of universal connectivity, SeaSonic USA's international power cords have got your back.

Sturdy and Stylish Computer Cases

Protecting your components is crucial, which is why we offer a selection of Computer Cases that combine durability with aesthetic appeal. Our cases are designed to fit seamlessly into any setup, from sleek mid-towers to spacious full-tower models. With options for all system sizes and configurations, SeaSonic USA ensures your hardware stays safe and your build looks as impressive as it performs.

Built for Performance, Designed with You in Mind

SeaSonic USA understands that every build is unique, which is why we focus on creating products that adapt to your specific needs. Whether you're a casual gamer or a professional overclocker, our Power Supplies, International Power Cords, and Computer Cases are crafted to meet the demands of even the most demanding systems. Choose SeaSonic USA for a seamless integration of quality, reliability, and style in your next project.

Experience Global Innovation Locally

As part of a global brand with a strong presence worldwide, SeaSonic USA brings you the best of international technology and design. Our products are tested and refined to ensure they deliver exceptional performance across different regions and environments. With SeaSonic USA, you're not just buying components—you're investing in a future-proof solution that stands the test of time.

Bestselling SeaSonic USA Reviews:

Tokyo T.

8/9/2025 12:26:13 AM

~1 week review

“ It was a breeze to install and I'm likely going to go with Seasonic PSUs in the future as a result. ”

SeaSonic CORE GX-850 ATX3 850 W ATX Fully Modular 80 PLUS GOLD Certified Full Modular Power Supplies

Timothy R.

6/26/2025 6:16:38 AM

Amazing PSU

“ Love the setup and the psu tester. I will be purchasing SeaSonic moving forward ”

Seasonic VERTEX PX-1000, 1000W 80+ Platinum, ATX 3.0&PCIe 5.0 Ready, Full-Modular, ATX Form Factor, Low Noise, Premium Japanese Capacitor, 12 Year Warranty, Nvidia RTX 30/40 Super, AMD GPU Compatible

Parallax Abstraction

6/25/2025 10:55:54 AM

Seasonic Are the Always and Forever GOAT

“ Seasonic is my default for PSUs and I recommend them to everyone. ”

Seasonic VERTEX GX-1000, 1000W 80+ Gold, ATX 3.0 & PCIe 5.0 Ready, Full-Modular, ATX Form Factor, Low Noise, Premium Japanese Capacitor, 12 Year Warranty, Nvidia RTX 40 Super/50, AMD GPU Compatible

Thomas M.

5/19/2025 7:20:36 PM

Perfect ATX3.0 Power Supply

“ This unit lives up to SeaSonic's legendary reputation for the worlds most solid and reliable power supplies. ”

SeaSonic CORE GX-750 ATX3 750 W ATX Fully Modular 80 PLUS GOLD Certified Full Modular Power Supplies

Zach D.

4/30/2025 12:52:18 PM

Fantastic Power Supply!

“ They bought an ad spot to simply wish everyone a Merry Christmas. That swayed me more than anything, they know their products are amazing and reliable.... But they went out of their way to spread a message of hope and happiness. ”

SeaSonic FOCUS GX ATX 3 (2024) GX-1000 1000 W ATX 3.1 80 PLUS GOLD Certified Full Modular Power Supplies

Rick T.

4/9/2025 3:36:53 PM

Seasonic quality and piece of mind

“ I trust Seasonic will bring me piece of mind for many years to come! ”

SeaSonic FOCUS GX ATX 3 (2024) GX-850 850 W ATX3.1 80 PLUS GOLD Nvidia RTX 40 Super/50 Certified Full Modular Power Supplies

Anonymous

1/16/2025 10:58:11 AM

Very high quality, very quite

“ this is the first of many Seasonic PSUs I will be sticking in my future builds. ”

Seasonic VERTEX GX-1200, 1200W 80+ Gold, ATX 3.0 & PCIe 5.0 Ready, Full-Modular, ATX Form Factor, Low Noise, Premium Japanese Capacitor, 12 Year Warranty, Nvidia RTX 40 Super/50 , AMD GPU Compatible

Anonymous