Power Supplies
Tom's Hardware is an industry leader in power supply (PSU) testing, reviews, and analysis. Here you can find all the details about the latest and greatest power supplies, including news and reviews. You can also head to our best power supplies page for in-depth buying recommendations.
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DIYer upcycles an old PC PSU into a flexible bench power supply
By Mark Tyson published
Your old, unwanted, PC PSU could enjoy a new life as a bench power supply, after a bit of DIY.

Lian Li SP1000P SFX power supply review: Exceptional power density in compact form
By E. Fylladitakis published
The Lian Li SP1000P SFX offers outstanding power density in compact form, though thermal management warrants attention at sustained maximum loads.

Best Power Supplies 2026
By E. Fylladitakis last updated
Here are the best power supplies for gaming PCs. These PSUs offer the best reliability, performance and protection for your PC components.

be quiet! Power Zone 2 1200W power supply review: Delivers outstanding performance at premium pricing
By E. Fylladitakis published
Combines exceptional acoustic performance with thermal excellence

Enthusiast fries 14TB HDD due to SATA power slipup
By Mark Tyson published
A PC DIYer fried their 14TB HDD after a modular power cable mix up.

Infineon allegedly hikes prices of power switches and ICs amid AI boom
By Anton Shilov published
Infineon reportedly notifies customers about price hikes effective April 1, 2026

Still using or redeploying an older PC during today’s RAM crisis? A new power supply could save you from an insane repair bill
By Jeffrey Kampman published
A new PSU for an older system is cheap insurance against cascading failures, downtime, and data loss.

Cooler Master Elite NEX W600 power supply review: Affordable, but with outdated design
By E. Fylladitakis published
The Cooler Master Elite NEX W600 offers an outdated design with minimal features that struggle to justify its existence in the modern PSU market.
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