Power Supplies

Stable and reliable power delivery is essential for optimal PC performance. Find your next power supply from Verkkokauppa.com’s wide selection, featuring high-quality units from leading manufacturers.

Pink BlackStorm PC case with internal components featuring color-matched RGB lighting. Illustrations of fans and a graphics card are shown next to the case with guide lines indicating their installation points.

Computer installation services

In addition to full PC assembly, we install and replace individual components for both desktops and laptops – quickly and reliably.

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Power Supplies – Reliable Power for Your PC

A power supply unit (PSU) converts electricity from your wall outlet into the direct current your computer components need. Choosing the right PSU ensures your system remains stable even during peak performance. Power ratings are measured in watts, and the ideal capacity depends on your specific components—especially the processor and graphics card.

Our selection includes power supplies for everything from basic workstations to high-end gaming rigs. With power ratings ranging from a few hundred watts to over 1,000W, you’ll find the perfect match for any build.

How to Choose the Right PSU

When selecting a PSU, consider these key factors that impact system performance and the overall user experience:

Wattage – Ensure you have enough power for your current setup, with a little extra headroom for future upgrades.

Efficiency – The 80 PLUS certification (ranging from Bronze to Titanium) indicates energy efficiency, which affects heat output and electricity consumption.

Modularity – Choose between fully modular, semi-modular, or fixed cabling to improve cable management and airflow within your case.

Online PSU calculators are a great way to estimate your power needs by simply entering your component details.

Top Brands and Standards

Verkkokauppa.com carries power supplies from leading manufacturers like Corsair, be quiet!, ASUS, Seasonic, and NZXT. These brands are renowned for their reliability and longevity. Many models come with multi-year warranties, reflecting the manufacturer's confidence in their durability.

Standard ATX power supplies fit most desktop PCs, while SFX models are designed for compact Mini-ITX cases where space is at a premium. Always verify compatibility with your specific case before purchasing.

Order Your Power Supply from Verkkokauppa.com

Whatever your budget or power requirements, you’ll find the right PSU in our extensive range. Order your power supply at a great price and enjoy fast delivery—get your build or upgrade finished without the wait.