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.

Latest about Power Supplies

Titanload 12V-2x6 power cable

Segotep's Titanload 12V-2x6 cables use heavier-duty pins to prevent meltdowns

By Zhiye Liu published

Segotep's Titanload family of 12V-2x6 cables use higher-capacity pins to try and reduce the risk of meltdowns under heavy GPU load.

Power Supplies
Best Power Supplies

Best Power Supplies 2025

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.

Power Supplies
Seasonic G12 GC-750 750W

Seasonic G12 GC-750 750W power supply review

By E. Fylladitakis published

A premium-engineered PSU masquerading as a budget option

Power Supplies
Corsair HX1000i Shift PSU

Corsair HX1000i SHIFT 1000W power supply review

By E. Fylladitakis published

Delivers flagship performance for builders willing to embrace its unique compatibility requirements and premium pricing

Power Supplies
Gigabyte P650G 650W PSU

Gigabyte P650G 650W power supply review

By E. Fylladitakis published

A no-frills, budget-conscious power supply that delivers solid fundamentals with 80 Plus Gold efficiency, though it makes compromises in modern connectivity.

Power Supplies
MSI MAG A850GLS PCIE5 PSU

MSI MAG A850GLS PCIE5 power supply review

By E. Fylladitakis published

An aesthetically ambitious 850W PSU that balances mainstream pricing with premium aspirations, delivering competent performance wrapped in MSI's signature geometric styling.

Power Supplies
Be Quiet! System Power 11 550W

be quiet! System Power 11 550W power supply review

By E. Fylladitakis published

A budget-friendly power supply that balances fundamental reliability with modern connectivity, though its aging platform reveals itself under stress.

Power Supplies
How We Test Power Supply Units

How We Test Power Supply Units

By Aris Mpitziopoulos, E. Fylladitakis last updated

Our methodology, testing equipment, and benchmarks.

Power Supplies
Corsair WS3000

Corsair launches gargantuan 3,000W power supply for $599.99

By Zhiye Liu published

Corsair launches WS3000, a power supply with a 3,000W capacity for systems with multi-GPU setups.

Power Supplies
Corsair HX1500i (2025) ATX 3.1

Corsair HX1500i (2025) ATX 3.1 power supply review

By E. Fylladitakis published

The Corsair HX1500i (2025) ATX 3.1 PSU offers premium power delivery with digital monitoring capabilities, outstanding performance, and impressive thermal design.

Power Supplies
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